10 Best Merino Wool Thermals Women in The UK

Last updated on 02/08/2025
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Best Choice
1
9.8
Exceptional
Save 11%
DANISH ENDURANCE Merino Wool Base Layers Women, Thermal Set, Long Sleeved Top and Thermal Leggings Women, Black, M
DANISH ENDURANCE
DANISH ENDURANCE Merino Wool Base Layers Women, Thermal Set, Long Sleeved Top and Thermal Leggings Women, Black, M
11% OffFree Shipping
Why We Love It
  • Temperature controlling and moisture wicking.
  • Ergonomic and comfortable design.
  • Premium, antibacterial merino wool.
Main Highlights
  • MIDWEIGHT 180 G/M²: The blend of antibacterial merino wool and high-quality polyamide provides the ideal composition for optimal warmth and durability. Naturally temperature regulating and moisture wicking to keep you dry
  • SOFT & COMFORTABLE: Superfine 18.5-micron fibres for a soft, smooth feel against the skin. Natural properties of merino wool keep you fresh and odour-free. Flat seams, and no tags to prevent irritation
  • DESIGNED IN DENMARK: Our thermal underwear sets are tested with endurance athlete and Everest climber Rasmus Kragh to ensure the highest standards of quality and performance, perfect for outdoor activities like hiking and skiing
  • PREMIUM MATERIALS: Made from 80% Wool (Merino) and 20% Polyamide. Merino wool is sourced in a mulesing-free manner. OEKO-TEX Standard 100 certified and free from harmful substances. Machine wash at max. 30°C (86°F). Do not tumble dry
  • EXCELLENT CUSTOMER SERVICE: We want our customers to be happy - If you have any questions about our women's merino base layer sets, do not hesitate to contact us. Our team is always ready to help you
9.8
Exceptional
Save 11%
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Best Value
2
9.6
Superb
Merino.tech Merino Wool Base Layer Womens Set - Merino Thermal Underwear Womens Top and Bottom Lightweight, Midweight, Heavyweight (Medium, 165 LITE Heathered Black)
Merino.tech
Merino.tech Merino Wool Base Layer Womens Set - Merino Thermal Underwear Womens Top and Bottom Lightweight, Midweight, Heavyweight (Medium, 165 LITE Heathered Black)
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Why We Love It
  • Lightweight for ultimate comfort.
  • Super soft and itch-free.
  • Moisture wicking and odor resistant.
Main Highlights
  • Lightweight - Merino Wool Base Layer Set Available in: Lightweight = 165 g/m², Midweight = 250 g/m², Heavyweight = 320 g/m². Merino Wool Hiking Socks ($21 Value!) – Package includes Merino wool Midweight base layer women top and wool long johns 165 g/m² + Merino Wool Hiking Socks. Makes A Great Gift!
  • Super Soft & Comfortable – 100% Superfine 18.5 Micron Merino Base Layer Women Set provides all day comfort and no itch! Designed for daily wear without rubbing, overheating, or bunching of regular cotton.
  • Moisture Wicking & Odor Resistant – wicking and odor-resistant properties of Merino Thermal Underwear for women allow it to absorb moisture better than any other fabric, keeping you dry and fresh.
  • Breathable - For longer lasting wear, hand wash and lay flat to air dry. Merino Wool Long Johns sets women regulate body temperature to keep you comfortable all year round.
  • Zero Worries: Every Merino.tech Merino Wool Base Layer Women we make is backed by our Merino.tech Promise - ensuring you're 100% happy with every Merino.tech purchase. For best results hand wash and lay flat to dry.
9.6
Superb
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3
9.6
Superb
Save 11%
Icebreaker 100% Merino Wool Baselayer, Women's Long Sleeve T-Shirt, Everyday Crewe Long Sleeve Top, Running Top - Black, L
Icebreaker
Icebreaker 100% Merino Wool Baselayer, Women's Long Sleeve T-Shirt, Everyday Crewe Long Sleeve Top, Running Top - Black, L
11% OffFree Shipping
Why We Love It
  • 100% Merino Wool.
  • Versatile base layer.
  • All-natural odor-resistance.
Main Highlights
  • 100% Merino Wool
  • Versatile year-round base layer
  • All-natural breathability and odor-resistance
  • Flattering slim fit
9.6
Superb
Save 11%
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4
9.4
Superb
Save 11%
Icebreaker 100% Merino Wool Baselayer, Women's Leggings, Everyday Gym Leggings, Seamless Yoga Pants, Women Sports & Workout Leggings - Black, M.
Icebreaker
Icebreaker 100% Merino Wool Baselayer, Women's Leggings, Everyday Gym Leggings, Seamless Yoga Pants, Women Sports & Workout Leggings - Black, M.
11% OffFree Shipping
Why We Love It
  • Premium breathability and comfort.
  • Regulates body temperature naturally.
  • Resistant to odours.
Main Highlights
  • 100% Merino Wool
  • All-purpose, year-round base layer bottoms
  • Rib-knit fabric for premium comfort and stretch
  • Contoured slim fit and stretch for smooth layering
  • Moisture wicking
9.4
Superb
Save 11%
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5
9.2
Superb
DANISH ENDURANCE Thermal Leggings Women, Merino Wool Base Layer Women, Ladies Thermal Leggings, Black, M
DANISH ENDURANCE
DANISH ENDURANCE Thermal Leggings Women, Merino Wool Base Layer Women, Ladies Thermal Leggings, Black, M
Free Shipping
Why We Love It
  • Optimized fit in diverse styles.
  • Premium merino wool comfort.
  • Customer-centric excellent service.
Main Highlights
  • MIDWEIGHT 180 G/M²: The blend of antibacterial merino wool and high-quality polyamide provides the ideal composition for optimal warmth and durability. Naturally temperature regulating and moisture wicking to keep you dry
  • SOFT & COMFORTABLE: Superfine 18.5-micron fibres for a soft feel on the skin. Natural properties of merino wool keep you fresh and odour-free. Flat seams, and no tags to prevent irritation
  • DESIGNED IN DENMARK: Our thermal underwear are tested with endurance athlete and Everest climber Rasmus Kragh to ensure the highest standards of quality and performance, perfect for outdoor activities like hiking and skiing
  • PREMIUM MATERIALS: Made from 80% Wool (Merino) and 20% Polyamide. Merino wool is sourced in a mulesing-free manner. OEKO-TEX Standard 100 certified and free from harmful substances. Machine wash at max. 30°C (86°F). Do not tumble dry
  • EXCELLENT CUSTOMER SERVICE: We want our customers to be happy - If you have any questions about our thermal leggings do not hesitate to contact us. Our team is always ready to help you
9.2
Superb
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6
9.1
Superb
Merino.tech Merino Wool Base Layer Womens — 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite + Wool Socks (Medium, Black 250)
Merino.tech
Merino.tech Merino Wool Base Layer Womens — 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite + Wool Socks (Medium, Black 250)
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Why We Love It
  • Comfortable, super soft material.
  • Moisture-wicking, odor-resistant properties.
  • Inclusive lifetime warranty.
Main Highlights
  • Midweight – Womens Merino Wool Base Layer Available in: Lightweight = 165 g/m², Midweight = 250 g/m², Heavyweight = 320 g/m². Merino Wool Hiking Socks ($21 Value!) – Package includes Women Merino Wool Base Layer Top Midweight 250 g/m² + Wool Socks. Cool Packaging! Makes A Great Gift!
  • Super Soft & Comfortable – 100% Superfine 18.5 Micron Merino Wool Women Base Layer Long Sleeve provides all day comfort and no itch! Designed for daily wear without rubbing, overheating, or bunching of regular cotton.
  • Moisture Wicking & Odor Resistant – Merino Wool Tops Women wicking and odor-resistant properties allow it to absorb moisture better than any other fabric, keeping you dry and fresh.
  • Easy Care – Washer safe. For longer lasting wear, hand wash and lay flat to air dry. Womens Merino Wool Shirts regulates body temperature to keep you comfortable all year round.
  • Zero Worries: Every Merino.tech Wool Hiking Shirt we make is backed by our Merino.tech Promise - ensuring you're 100% happy with every Merino.tech purchase. For best results hand wash and lay flat to dry.
9.1
Superb
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7
8.9
Excellent
Mountain Warehouse Merino Womens Thermal Baselayer Top - Lightweight, Antibacterial & Breathable Ladies T Shirt - for Travel, Hiking, Camping, Skiing, Snowboard Black Women's Size 12
Mountain Warehouse
Mountain Warehouse Merino Womens Thermal Baselayer Top - Lightweight, Antibacterial & Breathable Ladies T Shirt - for Travel, Hiking, Camping, Skiing, Snowboard Black Women's Size 12
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Why We Love It
  • Very warm, high-quality wool.
  • Naturally antibacterial properties.
  • Stay fresh and odour-free.
Main Highlights
  • Isotherm - Densely packed fibres to retain heat & warmth without adding weight or discomfort
  • Merino - Very warm high quality wool, naturally antibacterial properties to keep you fresher for longer
  • Antibacterial - Stay fresh & odour free for longer while walking and running
  • Lightweight - Great for travelling, comfortable to wear and easy to pack
  • 2 year warranty - Includes a 2-year warranty for guaranteed quality and peace of mind
8.9
Excellent
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8
8.8
Excellent
Mountain Warehouse Merino Womens Thermal Baselayer Top - Lightweight, Antibacterial & Breathable Ladies T Shirt - for Travel, Hiking, Camping, Skiing, Snowboard Black Women's Size 8
Mountain Warehouse
Mountain Warehouse Merino Womens Thermal Baselayer Top - Lightweight, Antibacterial & Breathable Ladies T Shirt - for Travel, Hiking, Camping, Skiing, Snowboard Black Women's Size 8
Free Shipping
Why We Love It
  • High-quality Merino ensures warmth.
  • Natural antibacterial for freshness.
  • Prevents odour during activities.
Main Highlights
  • Isotherm - Densely packed fibres to retain heat & warmth without adding weight or discomfort
  • Merino - Very warm high quality wool, naturally antibacterial properties to keep you fresher for longer
  • Antibacterial - Stay fresh & odour free for longer while walking and running
  • Lightweight - Great for travelling, comfortable to wear and easy to pack
  • 2 year warranty - Includes a 2-year warranty for guaranteed quality and peace of mind
8.8
Excellent
Amazon Logo
9
8.7
Excellent
Mountain Warehouse Merino Womens Thermal Baselayer Top - Lightweight, Antibacterial & Breathable Ladies T Shirt - for Travel, Hiking, Camping, Skiing, Snowboard Black Women's Size 10
Mountain Warehouse
Mountain Warehouse Merino Womens Thermal Baselayer Top - Lightweight, Antibacterial & Breathable Ladies T Shirt - for Travel, Hiking, Camping, Skiing, Snowboard Black Women's Size 10
Free Shipping
Why We Love It
  • Warm, high quality wool provided.
  • Natural antibacterial keeps fresh.
  • Resists odour during exercise.
Main Highlights
  • Isotherm - Densely packed fibres to retain heat & warmth without adding weight or discomfort
  • Merino - Very warm high quality wool, naturally antibacterial properties to keep you fresher for longer
  • Antibacterial - Stay fresh & odour free for longer while walking and running
  • Lightweight - Great for travelling, comfortable to wear and easy to pack
  • 2 year warranty - Includes a 2-year warranty for guaranteed quality and peace of mind
8.7
Excellent
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10
8.7
Excellent
Save 30%
Womens Merino Wool Thermal Walking Socks Warm Winter Cozy Long Heavy Comfy Socks for Ladies Mum Stocking Fillers Women Gifts Thick Crew Work Soft Boot Socks 5 Pairs(Solid Color B)
Sandsuced
Womens Merino Wool Thermal Walking Socks Warm Winter Cozy Long Heavy Comfy Socks for Ladies Mum Stocking Fillers Women Gifts Thick Crew Work Soft Boot Socks 5 Pairs(Solid Color B)
30% OffFree Shipping
Why We Love It
  • High quality and durable socks.
  • Warm, cosy and breathable fabric.
  • Great for diverse gift options.
Main Highlights
  • HIGH QUALITY : The womens wool warm socks is blend of Premium merino wool, this socks are heavy, soft, comfortable, breathable, warm, cosy and durable for ladies.
  • WARM & COSY : The materials for this stylish ladies socks is very soft and comfortable, Fuzzy inner design will keep your feet warm, the breathable and soft fabric will also keep your feet comfortable all the day.
  • SIZE & CARE : Fit womens size from UK 4-9/ EU 37-43, so every one can enjoy these colorful, fashion warm work socks. (warm tips: Please do not iron them and suggesting wash them by hand, Great quality socks require the proper care!)
  • MULTI-FUNCTION : This high quality women thick socks are suitable for different situation, you can wear them as office socks, school socks, hiking socks, outdoor socks, sport socks, indoor socks, home socks, heavy socks, thermal socks, thick socks, warm socks, work socks, knit socks, crew socks, ragg socks, heavy duty socks, boot socks, christmas socks in Spring, fall, winter season or in any cold weather or snow areas!
  • GREAT GIFT OPTIONS : This winter wool cotton socks make the perfect present for women and ladies, you could also choose it for your friends or family members as birthdays gift, white elephant gift, christmas gift.
8.7
Excellent
Save 30%
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