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10 Best Boys Fleece Shorts in The UK

Last updated on 09/07/2025
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Best Choice
1
9.7
Exceptional
Save 6%
adidas Unisex Kids Essentials Shorts, Medium Grey Heather/Black, 13-14 Years
adidas
adidas Unisex Kids Essentials Shorts, Medium Grey Heather/Black, 13-14 Years
6% Off
Why We Love It
  • Comfortable regular fit style.
  • Flexible elastic waistband convenience.
  • Eco-friendly recycled cotton content.
Main Highlights
  • Regular fit
  • Elastic waistband
  • 100% cotton
  • Contains a minimum of 70% recycled and renewable content
9.7
Exceptional
Save 6%
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Best Value
2
9.6
Superb
Save 7%
Keanu 3 Pack Boys Regular Fit Fleece Shorts with Zip Pockets, Elastic Waistband, and Drawstring – Sizes 5-6 Years - Black Pack
Keanu
Keanu 3 Pack Boys Regular Fit Fleece Shorts with Zip Pockets, Elastic Waistband, and Drawstring – Sizes 5-6 Years - Black Pack
7% Off
Why We Love It
  • Luxuriously soft fleece lining.
  • Durable drawstring for style.
  • Built for active adventures.
Main Highlights
  • 3 PACK KEANU BOYS SHORTS IN BLACK: These Keanu shorts are lined with premium fleece, ensuring your child stays cozy in cooler weather, while still being breathable for all-day comfort. The fleece not only adds warmth but also gives the fabric a luxuriously soft feel, making these shorts perfect for lounging at home or staying active outdoors. Whether it's for playdates, sports, or casual wear, these shorts provide the ultimate comfort kids will love.
  • STYLISH AND FUNCTIONAL: Designed with practicality and style in mind, these shorts feature a durable drawstring with engraved detailing for a refined look. The adjustable waistband ensures a secure and custom fit for growing kids. The zip-up pockets are perfect for safely stashing small items like snacks, toys, or pocket money, giving parents peace of mind while their children run, jump, and play without worrying about losing belongings.
  • BUILT FOR KIDS: With an elasticated waistband and reinforced seams, these shorts are built to withstand the wear and tear of everyday adventures. Whether it's a game of soccer, a day at the park, or simply running around the backyard, the Keanu shorts move with your child, offering unrestricted mobility. The added zip pockets are ideal for securing essentials during high-energy play, making these shorts the go-to choice for active boys.
  • AVAILABLE IN SIZES 5-14 YEARS: Perfectly designed to fit boys of various ages, offering comfort and durability for active kids.
  • SHOP THE KEANU COLLECTION: Shop the full Keanu range for more stylish and comfortable clothing options for boys, girls, men and women, from shorts to hoodies and more.
9.6
Superb
Save 7%
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3
9.4
Superb
Save 6%
NIKE Unisex Kids Dri-fit Park 3 Shorts, University Blue/White, L EU
NIKE
NIKE Unisex Kids Dri-fit Park 3 Shorts, University Blue/White, L EU
6% Off
Why We Love It
  • Stays dry and comfortable.
  • Breathable waistband design.
  • Perfect regular fit.
Main Highlights
  • Dri-FIT technology helps one stay dry, comfortable and focused
  • 100 Percent polyester
  • Stretchy waistband is lined with mesh for breathability
  • Regular fit
9.4
Superb
Save 6%
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4
9.2
Superb
CityComfort Shorts Pyjamas for Boys Teens Pack of 2 PJs Summer Casual Lounge Wear Soft Jersey Pyjama Shorts with Pockets (Black/Black, 11-12 Years)
CityComfort
CityComfort Shorts Pyjamas for Boys Teens Pack of 2 PJs Summer Casual Lounge Wear Soft Jersey Pyjama Shorts with Pockets (Black/Black, 11-12 Years)
Free Shipping
Why We Love It
  • Ultimate comfort and style.
  • Convenient, practical twin-pack.
  • Versatile and stylish design.
Main Highlights
  • 2-Pack Boys PJ Shorts - Designed for comfort, this 2-pack of boys shorts is made from soft, breathable fabric. With 2 side pockets and a relaxed fit, perfect for sleeping or lounging in
  • Sizes Available - These kids shorts come in a range of sizes and feature an elasticated drawstring waistband. See the dropdown menu for sizes available and images for the sizing chart
  • Convenient 2-Pack - Always have a spare pair ready with this practical 2-pack of boys' shorts. Ideal for bedtime, lazy mornings, or relaxing at home, available in a range of versatile colours
  • Perfect for Lounging or Sleeping - With a simple, classic design and lightweight fabric, these boys PJs are ideal for wearing as pyjamas or comfortable loungewear during the day
  • See images for more details on the range of sets we have available to choose from, and add some extra style and comfort to their wardrobe!
9.2
Superb
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5
9.0
Superb
CAMLAKEE 2 Pack Boys Quick Dry Shorts Kids Sports Short Trousers Summer Training Shorts with Zip Pockets BlackGrey UK:15-16 Years (manufacturers's Size: 180)
CAMLAKEE
CAMLAKEE 2 Pack Boys Quick Dry Shorts Kids Sports Short Trousers Summer Training Shorts with Zip Pockets BlackGrey UK:15-16 Years (manufacturers's Size: 180)
Free Shipping
Why We Love It
  • High stretch fabric for movement.
  • Breathable and moisture-wicking materials.
  • Waterproof pockets for essentials.
Main Highlights
  • High stretch fabric stretches in all directions, giving you maximum range of motion, and with these shorts for boys, they can enjoy comfort and freedom of movement whether at school or at home.
  • Boys shorts are made from breathable fabric that is moisture wicking, quick-drying and soft, keeping active boys cool and breathable while exercising without getting stuffy.
  • These are lightweight shorts for kids boys for every hot day in Spring, Summer and Autumn. The cut of the shorts offers casual style without losing shape or fading.
  • Kids sports shorts have 2 waterproof zipper pockets to store your child's daily essentials. Elasticated waist with drawstring keeps them fit at all times.
  • The length of these boys sports shorts is above the knee, which is more suitable for the legs, so that boys can run and jump freely without restraint. Wear them with a sweatshirt or tee for a different style.
9.0
Superb
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6
8.9
Excellent
NIKE Unisex Kids Y Nk Flc Park20 Kz Shorts, Black/White/White, XS
NIKE
NIKE Unisex Kids Y Nk Flc Park20 Kz Shorts, Black/White/White, XS
Free Shipping
Why We Love It
  • Soft, cozy fleece material.
  • Perfect for casual wear.
  • Ideal cotton-polyester blend.
Main Highlights
  • Soft fleece and a roomy feel
  • Making them a casual favorite one can wear from the sidelines to the streets
  • 82 Percent Cotton; 18 Percent Polyester
  • Model number: CW6932
8.9
Excellent
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7
8.9
Excellent
GW CLASSY OUTFIT 2 Pack Boys Fleece Shorts Kids Summer Loungewear Boys Running Shorts with Pockets 5-13 Years (Plain Black/Navy, 13-14 Years)
GW CLASSY OUTFIT
GW CLASSY OUTFIT 2 Pack Boys Fleece Shorts Kids Summer Loungewear Boys Running Shorts with Pockets 5-13 Years (Plain Black/Navy, 13-14 Years)
Free Shipping
Why We Love It
  • Soft and comfy material.
  • Adjustable waistband for comfort.
  • Great value multi-pack.
Main Highlights
  • Our Boys' fleece shorts are designed to offer comfort, warmth, and versatility for active and casual wear. Made from soft, lightweight fleece, these shorts provide a cozy feel that’s ideal for cool weather or relaxing at home.
  • COLOURS AVAILABLE: the twin pack comes in two shorts in pack - pack of 2 in Navy & Black, H-Grey & Black and Khaki & Black. Great value multipack in top quality super soft material. two side pockets as well as a back pocket.
  • Featuring a relaxed fit with an elastic waistband and drawstring closure, allowing for easy adjustment and a secure fit during play or outdoor activities.
  • Ideal for lounging at home or staying active outdoors. Whether it's for playdates, sports, or casual wear, these shorts provide the ultimate comfort kids will love.
  • SIZES AVAILABLE: kids sports shorts available in size 5-6 years, 7-8 years, 9-10 years, 11-12 years and 13 years
8.9
Excellent
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8
8.7
Excellent
adidas Unisex Kids Entrada 22 Training Shorts, Black, 9-10 Years
adidas
adidas Unisex Kids Entrada 22 Training Shorts, Black, 9-10 Years
Free Shipping
Why We Love It
  • Comfortable elastic waist with drawcord.
  • Made from recycled polyester.
  • Keeps you dry and cool.
Main Highlights
  • Regular fit
  • Elastic waist with drawcord
  • 100 percent recycled polyester interlock
  • Moisture-absorbing AEROREADY
  • Side seam pockets
8.7
Excellent
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9
8.7
Excellent
FedMois Boys' Summer Shorts Cotton, Pack of 4, Black Blue Beige and Dark Blue, 3-4 Years
FedMois
FedMois Boys' Summer Shorts Cotton, Pack of 4, Black Blue Beige and Dark Blue, 3-4 Years
Free Shipping
Why We Love It
  • 100% cotton, breathable fabric.
  • Vibrant colors as shown.
  • Comfortable and easy care.
Main Highlights
  • to find your size you can refer to the size chart in the Product Description.
  • Materials: 100% Cotton
  • comfortable to wear and wash well.
  • 4 pretty colours as picture show.
8.7
Excellent
Amazon Logo
10
8.7
Excellent
Amazon Essentials Boys' Terry Cargo Sweat Shorts, Navy, 6-7 Years
Amazon Essentials
Amazon Essentials Boys' Terry Cargo Sweat Shorts, Navy, 6-7 Years
Free Shipping
Why We Love It
  • Relaxed fit for all-day comfort.
  • Lightweight fabric for breathability.
  • Convenient cargo pockets for storage.
Main Highlights
  • RELAXED FIT: Relaxed, comfortable fit through hip and thigh. Sits at the waist
  • LIGHTWEIGHT FRENCH TERRY: Cut from a cotton-polyester blend loop back French terry fleece, which is naturally soft, stretchy and breathable
  • CARGO SWEAT SHORT: Easy pull-on sweat shorts with cargo pockets, cut from lightweight french terry
  • DETAILS: Short has an easy pull-on waist and cargo pocket detail at the sides. Drawcord at waist for adjustability
  • INSEAM: 4 1/2" (11.4cm) on UK size 3 Years; 7" (17.8cm) on UK size 8 Years
8.7
Excellent
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