10 Best Mens Thermal Long Sleeve Top in The UK

Last updated on 06/09/2025
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Best Choice
1
Odlo Men Functional Underwear Long Sleeve Shirt Active Warm ECO, Black, L
Odlo Men Functional Underwear Long Sleeve Shirt Active Warm ECO, Black, L
Odlo
Why We Love It
  • Enhanced moisture management technology.
  • Soft touch fabric.
  • Sustainable fabric initiative.
Main Highlights
  • Keeps You Warm
  • Enhanced Moisture Management
  • Soft Touch
  • For every weather. Outside or inside. Fast or slow. Baselayer and more. Our functional clothing for active, passionate people is designed inside-out in Switzerland. We use an industry-leading layering technology that we invented 75 years ago
  • To balance the needs of everyday athletes and the planet, ODLO has a stated objective of using 100% sustainable fabrics by 2030
9.8
Exceptional
9.8
Exceptional
Odlo
Odlo Men Functional Underwear Long Sleeve Shirt Active Warm ECO, Black, L
Why We Love It
  • Enhanced moisture management technology.
  • Soft touch fabric.
  • Sustainable fabric initiative.
Main Highlights
  • Keeps You Warm
  • Enhanced Moisture Management
  • Soft Touch
  • For every weather. Outside or inside. Fast or slow. Baselayer and more. Our functional clothing for active, passionate people is designed inside-out in Switzerland. We use an industry-leading layering technology that we invented 75 years ago
  • To balance the needs of everyday athletes and the planet, ODLO has a stated objective of using 100% sustainable fabrics by 2030
Value for Money
2
miijoory Long Sleeve T Shirts for Men Breathabal Quick Dry Performance Sports Gym Tops UV Sun Protection Tee Shirts for Workout Running 5 Pack (L,Black,Blue,Dark Grey,Army Green,Red)
miijoory Long Sleeve T Shirts for Men Breathabal Quick Dry Performance Sports Gym Tops UV Sun Protection Tee Shirts for Workout Running 5 Pack (L,Black,Blue,Dark Grey,Army Green,Red)
miijoory
15% OffFree Shipping
Why We Love It
  • Keeps you comfy and dry.
  • Provides excellent sun protection.
  • Allows full range motion.
Main Highlights
  • Stay Comfy & Dry: The mens long sleeve tee shirts are made of lightweight, quick-dry, breathable fabric that quickly wicks moisture away from the skin, providing you with a comfortable and dry feeling all day long.
  • Sun Protection: Long sleeve t shirts men are great for outdoor activities like fishing, hiking, and more. The long sleeve sun protection shirts protect your skin from harmful UVA/UVB rays, and the quick dry fabric allows you to fully enjoy outdoor activities.
  • Design: This long sleeve workout shirt for men features a nonrestrictive crew neck, and raglan sleeves that provide a full range of motion for your arms.
  • Occasions: These men's shirts are great for hiking, running, working, beach walking, fishing, sailing, swimming, yard work, running errands, lounging, and any other of your favorite active sports or everyday wear. These long sleeve running shirts provide more choices for you.
  • More: These packs of men's long sleeve t-shirts feature various solid colors and prints, you can choose your favorite color to match with different shorts & pants, Miijoory fishing shirts can be machine washed.
9.6
Superb
9.6
Superb
miijoory
miijoory Long Sleeve T Shirts for Men Breathabal Quick Dry Performance Sports Gym Tops UV Sun Protection Tee Shirts for Workout Running 5 Pack (L,Black,Blue,Dark Grey,Army Green,Red)
15% OffFree Shipping
Why We Love It
  • Keeps you comfy and dry.
  • Provides excellent sun protection.
  • Allows full range motion.
Main Highlights
  • Stay Comfy & Dry: The mens long sleeve tee shirts are made of lightweight, quick-dry, breathable fabric that quickly wicks moisture away from the skin, providing you with a comfortable and dry feeling all day long.
  • Sun Protection: Long sleeve t shirts men are great for outdoor activities like fishing, hiking, and more. The long sleeve sun protection shirts protect your skin from harmful UVA/UVB rays, and the quick dry fabric allows you to fully enjoy outdoor activities.
  • Design: This long sleeve workout shirt for men features a nonrestrictive crew neck, and raglan sleeves that provide a full range of motion for your arms.
  • Occasions: These men's shirts are great for hiking, running, working, beach walking, fishing, sailing, swimming, yard work, running errands, lounging, and any other of your favorite active sports or everyday wear. These long sleeve running shirts provide more choices for you.
  • More: These packs of men's long sleeve t-shirts feature various solid colors and prints, you can choose your favorite color to match with different shorts & pants, Miijoory fishing shirts can be machine washed.
3
Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men
Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men
Under Armour
46% OffFree Shipping
Why We Love It
  • Quick drying, sun-protective material.
  • Promotes sweat less, good ventilation.
  • Comfortable, all-day odour-free design.
Main Highlights
  • Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort when worn.
  • Sweat Less – With its innovative fabric, the quick-drying sports shirt draws sweat away from the skin, while the net insert ensures extra ventilation.
  • Optimal Comfort – The long-sleeve top has all the advantages of UA compression, but is still comfortable enough to be worn all day.
  • All-day freshness – With anti-odour technology, the running shirt prevents the growth of odour-causing bacteria, keeping you fresh all day.
  • Material and Fit – Under Armour men’s compression top UA HG Armour Comp LS. Sportshirt. Fit: Compression. Material: Polyester/elastane
9.5
Superb
9.5
Superb
Under Armour
Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men
46% OffFree Shipping
Why We Love It
  • Quick drying, sun-protective material.
  • Promotes sweat less, good ventilation.
  • Comfortable, all-day odour-free design.
Main Highlights
  • Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort when worn.
  • Sweat Less – With its innovative fabric, the quick-drying sports shirt draws sweat away from the skin, while the net insert ensures extra ventilation.
  • Optimal Comfort – The long-sleeve top has all the advantages of UA compression, but is still comfortable enough to be worn all day.
  • All-day freshness – With anti-odour technology, the running shirt prevents the growth of odour-causing bacteria, keeping you fresh all day.
  • Material and Fit – Under Armour men’s compression top UA HG Armour Comp LS. Sportshirt. Fit: Compression. Material: Polyester/elastane
4
Under Armour Men Tech 2.0 1/2 Zip, Versatile Warm Up Top for Men, Light and Breathable Zip Up Top for Working Out
Under Armour Men Tech 2.0 1/2 Zip, Versatile Warm Up Top for Men, Light and Breathable Zip Up Top for Working Out
Under Armour
50% OffFree Shipping
Why We Love It
  • Perfect for all weather workouts.
  • Regulates body temperature efficiently.
  • Quick drying, sweat-wicking material.
Main Highlights
  • Modern Running Wear – This warm up jacket for men features long sleeves, a half zip and snug fit, all to ensure comfort and style during workouts.
  • Versatile Shirt – The long sleeve running top can be worn during hot or cold climates, thanks to its clever design and half-zip up options.
  • Light & Cool – The long sleeve gym top is designed to regulate body temperature, preventing overheating or bodily restriction during exercise.
  • Quick Drying Fabric – The men's running top is made from a complex, quickly-drying fabric that keeps sweat away from the skin and prevents damp.
  • Material & Fit – Under Armour Tech 2. Half Zip men's workout shirt, long sleeve gym shirt for men. Material: 1% polyester. Fit: Loose.
9.4
Superb
9.4
Superb
Under Armour
Under Armour Men Tech 2.0 1/2 Zip, Versatile Warm Up Top for Men, Light and Breathable Zip Up Top for Working Out
50% OffFree Shipping
Why We Love It
  • Perfect for all weather workouts.
  • Regulates body temperature efficiently.
  • Quick drying, sweat-wicking material.
Main Highlights
  • Modern Running Wear – This warm up jacket for men features long sleeves, a half zip and snug fit, all to ensure comfort and style during workouts.
  • Versatile Shirt – The long sleeve running top can be worn during hot or cold climates, thanks to its clever design and half-zip up options.
  • Light & Cool – The long sleeve gym top is designed to regulate body temperature, preventing overheating or bodily restriction during exercise.
  • Quick Drying Fabric – The men's running top is made from a complex, quickly-drying fabric that keeps sweat away from the skin and prevents damp.
  • Material & Fit – Under Armour Tech 2. Half Zip men's workout shirt, long sleeve gym shirt for men. Material: 1% polyester. Fit: Loose.
5
CL convallaria 2 or 4 Pack Mens Thermal Underwear Shirt Fleece Lined Long Johns Base Layer Tops Cold Weather Athletic Sport Gear 2pc Black-Black M
CL convallaria 2 or 4 Pack Mens Thermal Underwear Shirt Fleece Lined Long Johns Base Layer Tops Cold Weather Athletic Sport Gear 2pc Black-Black M
CL convallaria
Free Shipping
Why We Love It
  • Ultimate warmth in cold weather.
  • Stay dry and odor-free.
  • Maximum comfort with tagless design.
Main Highlights
  • Ultimate Warmth and Comfort: Our thermal underwear is designed to keep you warm and comfortable even in the coldest weather. With fleece lining, you'll stay cozy all day long. 90% polyester and 10% spandex ensure it is durable, flexible, and long-lasting.
  • Stay Dry and Odor-Free: Made with moisture-wicking technology, our long johns for men will keep you dry and odor-free throughout the day, no matter how active you are. The fabric dries quickly, reducing the risk of hypothermia.
  • Tagless Design: Say goodbye to uncomfortable tags and say hello to maximum comfort with our tagless design.Reduce friction and discomfort during the wearing process, greatly enhancing the wearing experience.
  • 4 Way Stretch and Versatile: Our base layer men cold weather is designed with 4-way stretch technology, ensuring a comfortable and flexible fit. The flatlock seams reduce irritation and chafing, ensuring maximum comfort throughout the day.
  • The Perfect Gift for Men: Experience optimal warmth, comfort with our ultra-warm thermals for men. Upgrade your winter wardrobe with this exceptional base layer. Perfect for skiing, hunting, snowboarding, hiking, camping, or just lounging at home.
9.3
Superb
9.3
Superb
CL convallaria
CL convallaria 2 or 4 Pack Mens Thermal Underwear Shirt Fleece Lined Long Johns Base Layer Tops Cold Weather Athletic Sport Gear 2pc Black-Black M
Free Shipping
Why We Love It
  • Ultimate warmth in cold weather.
  • Stay dry and odor-free.
  • Maximum comfort with tagless design.
Main Highlights
  • Ultimate Warmth and Comfort: Our thermal underwear is designed to keep you warm and comfortable even in the coldest weather. With fleece lining, you'll stay cozy all day long. 90% polyester and 10% spandex ensure it is durable, flexible, and long-lasting.
  • Stay Dry and Odor-Free: Made with moisture-wicking technology, our long johns for men will keep you dry and odor-free throughout the day, no matter how active you are. The fabric dries quickly, reducing the risk of hypothermia.
  • Tagless Design: Say goodbye to uncomfortable tags and say hello to maximum comfort with our tagless design.Reduce friction and discomfort during the wearing process, greatly enhancing the wearing experience.
  • 4 Way Stretch and Versatile: Our base layer men cold weather is designed with 4-way stretch technology, ensuring a comfortable and flexible fit. The flatlock seams reduce irritation and chafing, ensuring maximum comfort throughout the day.
  • The Perfect Gift for Men: Experience optimal warmth, comfort with our ultra-warm thermals for men. Upgrade your winter wardrobe with this exceptional base layer. Perfect for skiing, hunting, snowboarding, hiking, camping, or just lounging at home.
6
Heatwave® Pack of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer, S M L XL XXL Thermals, Large Black
Heatwave® Pack of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer, S M L XL XXL Thermals, Large Black
Heatwave Thermalwear
Free Shipping
Why We Love It
  • Warm and comfortable thermal tops.
  • Fits contours of body perfectly.
  • Offered in multiple colours.
Main Highlights
  • Pack Of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer
  • 0.45 TOG RATING- Hold more warm air close to the skin
  • 60% Cotton and 40% Polyester
  • Comfort Fit, the ribbed construction shapes to the contours of the body
  • Colour: White, Blue, Grey, Navy, Charcoal and Black
9.3
Superb
9.3
Superb
Heatwave Thermalwear
Heatwave® Pack of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer, S M L XL XXL Thermals, Large Black
Free Shipping
Why We Love It
  • Warm and comfortable thermal tops.
  • Fits contours of body perfectly.
  • Offered in multiple colours.
Main Highlights
  • Pack Of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer
  • 0.45 TOG RATING- Hold more warm air close to the skin
  • 60% Cotton and 40% Polyester
  • Comfort Fit, the ribbed construction shapes to the contours of the body
  • Colour: White, Blue, Grey, Navy, Charcoal and Black
7
DOLCE ENVY Men's Thermal 2 Pack Long Sleeve Tops Warm Base Layer for Winter Suitable for Daily Use High Performance Full Sleeves Tops (Medium, Black)
DOLCE ENVY Men's Thermal 2 Pack Long Sleeve Tops Warm Base Layer for Winter Suitable for Daily Use High Performance Full Sleeves Tops (Medium, Black)
DOLCE ENVY
Free Shipping
Why We Love It
  • Optimal temperature moderation.
  • Versatile outdoor wear.
  • Moisture-Wicking for comfort.
Main Highlights
  • Dolce Envy Pack of 2 Men's Thermal Long Sleeves Tops Underwear is Made of 50% Cotton, 50% Polyester. Sizes and Colours: Small, Medium, Large, XL, XXL Black, Charcoal, White
  • Breathable Materials Ensure Optimal Temperature Regulation During Various Activities.Versatile Style Suitable for Both Outdoor Activities and Casual Wear.
  • Moisture-Wicking Fabric Keeps you Dry and Comfortable All Day.Unrivaled Warmth and Insulation For Harsh Cold Conditions.
  • Avoid Using Bleach or Harsh Chemicals to Maintain Thermal Performance.Use mild Detergent to Preserve Fabric Quality and Color Vibrancy.Enjoy Long-Lasting Warmth and Comfort with Proper Washing and Care.
  • The Mens Thermal Long Sleeves Tops Shirts are Great Choices For Various Indoor and Outdoor Activities, like: Hiking, Skiing, Jogging, Cycling, Motorcycle Riding, Running, Climbing, Training, Yoga, Snowboarding, and Hunting or Fishing.
9.3
Superb
9.3
Superb
DOLCE ENVY
DOLCE ENVY Men's Thermal 2 Pack Long Sleeve Tops Warm Base Layer for Winter Suitable for Daily Use High Performance Full Sleeves Tops (Medium, Black)
Free Shipping
Why We Love It
  • Optimal temperature moderation.
  • Versatile outdoor wear.
  • Moisture-Wicking for comfort.
Main Highlights
  • Dolce Envy Pack of 2 Men's Thermal Long Sleeves Tops Underwear is Made of 50% Cotton, 50% Polyester. Sizes and Colours: Small, Medium, Large, XL, XXL Black, Charcoal, White
  • Breathable Materials Ensure Optimal Temperature Regulation During Various Activities.Versatile Style Suitable for Both Outdoor Activities and Casual Wear.
  • Moisture-Wicking Fabric Keeps you Dry and Comfortable All Day.Unrivaled Warmth and Insulation For Harsh Cold Conditions.
  • Avoid Using Bleach or Harsh Chemicals to Maintain Thermal Performance.Use mild Detergent to Preserve Fabric Quality and Color Vibrancy.Enjoy Long-Lasting Warmth and Comfort with Proper Washing and Care.
  • The Mens Thermal Long Sleeves Tops Shirts are Great Choices For Various Indoor and Outdoor Activities, like: Hiking, Skiing, Jogging, Cycling, Motorcycle Riding, Running, Climbing, Training, Yoga, Snowboarding, and Hunting or Fishing.
8
Heatwave® Pack of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer Thermals, Medium White
Heatwave® Pack of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer Thermals, Medium White
Heatwave Thermalwear
Free Shipping
Why We Love It
  • Keeps you warm in winters.
  • Comfortable thermal material used.
  • Perfect fit for medium size.
Main Highlights
  • Heatwave Pack of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer Thermals, Medium White
  • Fashion Categories Men Clothing Underwear Thermal Thermal Tops
  • Product Type: SHIRT
  • Size: M
  • Color: White
9.1
Superb
9.1
Superb
Heatwave Thermalwear
Heatwave® Pack of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer Thermals, Medium White
Free Shipping
Why We Love It
  • Keeps you warm in winters.
  • Comfortable thermal material used.
  • Perfect fit for medium size.
Main Highlights
  • Heatwave Pack of 2 Men's Thermal Long Sleeve Top, Warm Underwear Baselayer Thermals, Medium White
  • Fashion Categories Men Clothing Underwear Thermal Thermal Tops
  • Product Type: SHIRT
  • Size: M
  • Color: White
9
HEAT HOLDERS - Mens Winter Warm Cotton Thermal Underwear Long Sleeve Top Vest (Large (41-43" Chest), Charcoal)
HEAT HOLDERS - Mens Winter Warm Cotton Thermal Underwear Long Sleeve Top Vest (Large (41-43" Chest), Charcoal)
HEAT HOLDERS
Free Shipping
Why We Love It
  • Longer length for easy tucking.
  • Comfortable, warm 0.45 TOG rating.
  • Perfect for layered outfits.
Main Highlights
  • 🔥 LONG BODY LENGTH - This thermal top has a longer body length so you can tuck it easily under your clothes
  • 🔥 0.45 TOG RATING - This long sleeve top has a comfortable and warm tog rating of 0.45. The higher the tog rating, the warmer the top.
  • 🔥 LAYERING - This warm top is ideal to layer underneath your clothes, making this t shirt ideal for men who feel a lot colder.
  • 🔥 THERMAL TOP - This top has thermal lining to ensure you stay warmer for longer as it retains heat close to the skin
  • 🔥 2 COLOURS AVAILABLE - Choose from Charcoal and White to match with the rest of your outfit
9.0
Superb
9.0
Superb
HEAT HOLDERS
HEAT HOLDERS - Mens Winter Warm Cotton Thermal Underwear Long Sleeve Top Vest (Large (41-43" Chest), Charcoal)
Free Shipping
Why We Love It
  • Longer length for easy tucking.
  • Comfortable, warm 0.45 TOG rating.
  • Perfect for layered outfits.
Main Highlights
  • 🔥 LONG BODY LENGTH - This thermal top has a longer body length so you can tuck it easily under your clothes
  • 🔥 0.45 TOG RATING - This long sleeve top has a comfortable and warm tog rating of 0.45. The higher the tog rating, the warmer the top.
  • 🔥 LAYERING - This warm top is ideal to layer underneath your clothes, making this t shirt ideal for men who feel a lot colder.
  • 🔥 THERMAL TOP - This top has thermal lining to ensure you stay warmer for longer as it retains heat close to the skin
  • 🔥 2 COLOURS AVAILABLE - Choose from Charcoal and White to match with the rest of your outfit
10
Tyhengta Long Sleeve Tops Men Fleece T-Shirt Winter Thermal Tops Mock Neck Underwear Casual Fleece Baselayer Black, XL
Tyhengta Long Sleeve Tops Men Fleece T-Shirt Winter Thermal Tops Mock Neck Underwear Casual Fleece Baselayer Black, XL
Tyhengta
5% OffFree Shipping
Why We Love It
  • Soft and breathable fabric.
  • Versatile for various outfits.
  • Perfect for all occasions.
Main Highlights
  • MATERIAL: 95% Polyester + 5% Spandex, which is soft, elastic, lightweight and breathable, the slightly stretchy turtleneck long sleeve top brings you a comfortable wearing experience
  • DESIGNS: This undershirt adopts a unique half-high collar design, which ensures warmth and comfort of the neck; and the regular fit makes the long sleeve top classic and versatile
  • WARM: Crafted from lightweight yet comfortable fleece fabric, this turtleneck pullover wraps you in warmth and coziness. Suitable as a base undershirt during transition period
  • MATCH: This mens turtle neck base layer can pair with blazers, dress jackets and suit pants to create a business style. And it can match with coats, denim jacket, jeans, casual pants to create a fashion and daily wear
  • OCCASION: Perfect for all occasions, such as work, vacation, school, hiking, camping, fishing, hunting, walking, lounging, golf, party, etc. And it is a great choice for daily wearing
8.9
Excellent
8.9
Excellent
Tyhengta
Tyhengta Long Sleeve Tops Men Fleece T-Shirt Winter Thermal Tops Mock Neck Underwear Casual Fleece Baselayer Black, XL
5% OffFree Shipping
Why We Love It
  • Soft and breathable fabric.
  • Versatile for various outfits.
  • Perfect for all occasions.
Main Highlights
  • MATERIAL: 95% Polyester + 5% Spandex, which is soft, elastic, lightweight and breathable, the slightly stretchy turtleneck long sleeve top brings you a comfortable wearing experience
  • DESIGNS: This undershirt adopts a unique half-high collar design, which ensures warmth and comfort of the neck; and the regular fit makes the long sleeve top classic and versatile
  • WARM: Crafted from lightweight yet comfortable fleece fabric, this turtleneck pullover wraps you in warmth and coziness. Suitable as a base undershirt during transition period
  • MATCH: This mens turtle neck base layer can pair with blazers, dress jackets and suit pants to create a business style. And it can match with coats, denim jacket, jeans, casual pants to create a fashion and daily wear
  • OCCASION: Perfect for all occasions, such as work, vacation, school, hiking, camping, fishing, hunting, walking, lounging, golf, party, etc. And it is a great choice for daily wearing