Skip to content

MENS
Brand Loyalty Club
Shop By Category

Gymwear

Twin Sets

Tracksuits

Tracksuit Tops

Tracksuit Bottoms & Joggers

Sweatshirts & Hoodies

Fleece & 1/4 Zips

T-Shirts

Muscle Fit Tops

Vests & Stringers

Shirts & Polos

Trousers

Shorts

Swimwear

Jackets & Coats

Water Bottle & Accessories

Hats & Beanies

Socks
Shop By Activity

Gym

Combat Sports

Rest Days

Running

Airport & Travel

Holiday & Resort

Gym Layers
GK Collections

Fundamental

Heritage

Signature

Fight Division
Shop New

Shop Fleece
WOMENS
Brand Loyalty Club
Shop By Category

Gymwear

Co-Ords

Leggings

Yoga Pants

Shorts

Sports Bras & Tanks

Tops & T-Shirts

Sweatshirts & Hoodies

Fleece

1/4 & Full Zip Tops

Loungewear

Tracksuits

Tracksuit Tops

Tracksuit Bottoms & Joggers

Trousers

Jackets & Coats

Water Bottles & Accessories

Hats & Beanies

Socks
Shop By Activity

Gym

Pilates & Yoga

Running

Rest Days

Holiday & Resort

Airport & Travel
GK Collections

365

Heritage

Script

Sculpt

Signature

Seamless
Shop New

Shop Fleece
KIDS
- Shop All
- New In
- Sale
- Accessories
- Fight Division
Brand Loyalty Club
Boys

Shop All

Bundle & Save 20%

Twin Sets

Tracksuits

Tracksuit Tops

Tracksuit Bottoms & Joggers

Shorts

Hoodies

T-Shirts & Tops

Jackets & Coats

Sale
Girls

Shop All

Bundle & Save 20%

Twin Sets

Tracksuits

Joggers & Trousers

Leggings

Shorts

Hoodies & Sweatshirts

T-Shirts & Tops

Jackets & Coats

Sale
Shop by Age

Younger Kids (3-6 years)

Older Kids (7-15 year)
Shop Girls

Shop Boys

Mens

Womens

Kids

Shop All
New In
Best Sellers
Sale
Bundle & Save 20%
Shop By Category
Shop By Activity
GK Collections

Brand Loyalty Club

Shop All
New In
Best Sellers
Sale
Bundle & Save 20%
Shop By Category
Shop By Activity
GK Collections
- 365
- Heritage
- Script
- Sculpt
- Signature
- Seamless

Brand Loyalty Club

Shop All
New In
Sale
Fight Division
Accessories
Boys
Girls
Shop by Age
- Younger Kids (3-6 years)
- Older Kids (7-15 year)

Brand Loyalty Club

My Account

Create Account Log in

International Shipping from the UK pay in your local currency

FREE European Shipping On Orders over €100 EUR

KIDS25

46 products

Grid Size:

46 matching products
Filter by:

Sort by:

Gym King Kids 365 Legging - Black

Gym King Kids 365 Legging - Black

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Kids 365 Legging Black

4.8

355 kr

Gym King Older Kids Pro Woven Hoodie - Black

Gym King Older Kids Pro Woven Hoodie - Black

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Older Kids Pro Woven Hoodie Black

5.0

719 kr 289 kr

-59% Off

Gym King Older Kids Pro Short - Black

Gym King Older Kids Pro Short - Black

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Older Kids Pro Short Black

4.8

289 kr

Gym King Older Kids Pro Tee - Black

Gym King Older Kids Pro Tee - Black

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Older Kids Pro Tee Black

4.8

289 kr

Gym King Kids Fundamental Sock (2pk) - White

Gym King Kids Fundamental Sock (2pk) - White

11-13 1-2.5 3-4.5

Get a Stock Notification

Kids Fundamental Sock (2pk) White

5.0

129 kr

Gym King Older Kids 365 5" Short - Black

Gym King Older Kids 365 5" Short - Black

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Older Kids 365 5" Short Black

4.8

289 kr

Gym King Older Kids Impact Tank - Black

Gym King Older Kids Impact Tank - Black

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Older Kids Impact Tank Black

5.0

319 kr

Gym King Older Kids Energy Short - Black

Gym King Older Kids Energy Short - Black

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Older Kids Energy Short Black

5.0

355 kr

Gym King Kids Fundamental T-Shirt - White

Gym King Kids Fundamental T-Shirt - White

3-4 5-6 7-8 9-10 11-12 13-14

Get a Stock Notification

Kids Fundamental T-Shirt White

4.5

from 275 kr

Gym King Kids Fundamental Short - Storm Teal

Gym King Kids Fundamental Short - Storm Teal

3-4 5-6 7-8 9-10 11-12 13-14

Get a Stock Notification

Kids Fundamental Short Storm Teal

5.0

355 kr 145 kr

-59% Off

Gym King Older Kids 365 Flared Leggings - Aubergine

Gym King Older Kids 365 Flared Leggings - Aubergine

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Older Kids 365 Flared Leggings Aubergine

399 kr 239 kr

-40% Off

Gym King Kids Fundamental Hoodie - Storm Teal

Gym King Kids Fundamental Hoodie - Storm Teal

3-4 5-6 7-8 9-10 11-12 13-14

Get a Stock Notification

Kids Fundamental Hoodie Storm Teal

4.1

545 kr 275 kr

-49% Off

Gym King Kids Fundamental Short - Black

Gym King Kids Fundamental Short - Black

3-4 5-6 7-8 9-10 11-12 13-14

Kids Fundamental Short Black

5.0

355 kr

Gym King Kids Script Jersey Legging - Candy Pink

Gym King Kids Script Jersey Legging - Candy Pink

3-4 5-6 7-8 9-10 11-12 13-14

Get a Stock Notification

Kids Script Jersey Legging Candy Pink

319 kr 145 kr

-54% Off

Gym King Kids Script 1/4 Zip Funnel - Candy Pink

Gym King Kids Script 1/4 Zip Funnel - Candy Pink

3-4 5-6 7-8 9-10 11-12 13-14

Get a Stock Notification

Kids Script 1/4 Zip Funnel Candy Pink

605 kr 365 kr

-39% Off

Gym King Kids Fundamental Sock (2pk) - Black

11-13 1-2.5 3-4.5

Get a Stock Notification

Kids Fundamental Sock (2pk) Black

5.0

129 kr

Gym King Kids Shadow 1/4 Zip Funnel - Cream

Gym King Kids Shadow 1/4 Zip Funnel - Cream

3-4 5-6 7-8 9-10 11-12 13-14 15

Get a Stock Notification

Kids Shadow 1/4 Zip Funnel Cream

4.0

605 kr 305 kr

-49% Off

Gym King Older Kids 365 Long Line Tank - Black

Gym King Older Kids 365 Long Line Tank - Black

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Older Kids 365 Long Line Tank Black

4.6

289 kr

Gym King Kids Fundamental Jogger - Blue Surge

Gym King Kids Fundamental Jogger - Blue Surge

3-4 5-6 7-8 9-10 11-12 13-14

Kids Fundamental Jogger Blue Surge

4.4

559 kr 395 kr

-29% Off

Gym King Kids Script Boyfriend T-Shirt - Candy Pink

Gym King Kids Script Boyfriend T-Shirt - Candy Pink

3-4 5-6 7-8 9-10 11-12 13-14

Get a Stock Notification

Kids Script Boyfriend T-Shirt Candy Pink

355 kr 215 kr

-39% Off

Gym King Older Kids Relentless T-Shirt - Imperial Blue

Gym King Older Kids Relentless T-Shirt - Imperial Blue

7-8 9-10 11-12 13-14 15

Get a Stock Notification

Older Kids Relentless T-Shirt Imperial Blue

4.8

319 kr 165 kr

-48% Off

Gym King Kids Fundamental Jogger - Storm Teal

Gym King Kids Fundamental Jogger - Storm Teal

3-4 5-6 7-8 9-10 11-12 13-14

Get a Stock Notification

Kids Fundamental Jogger Storm Teal

4.4

559 kr 365 kr

-34% Off

@GYMKING

Help

FAQs
Size Guide
Make a Return
Gift Cards
Contact Us
Wholesale
EU Right of Withdrawal

About

About Us
Affiliates
UNiDAYS
Student Beans
Youth Discount
NHS & Key Worker Discount
Careers

Brand

The Brand
Building Foundations
News
About Us
Loyalty Club
Refer a Friend

Legal

Privacy Policy
Terms & Conditions
Current Competitions
Klarna
Accessibility

We're rated Great on Trustpilot

© 2026 GYM KING LIMITED IS A LIMITED COMPANY REGISTERED IN ENGLAND WITH REGISTERED NUMBER 09476649. VAT REGISTRATION: GB211871333

Your Bag Recently Viewed

Your Shopping Bag is empty.

Shop Mens Shop Womens
Back to homepage

We're rated Great on Trustpilot

Buy now, Pay later
18+ - T&C's apply