14 October 2026International edition
Vol. I · No.
14 October 2026
AI in Fashion
DAILY
The daily briefing on AI in the fashion business
Where fashion meets artificial intelligence.
Sportswear and outdoor

Gym King

United Kingdom

Gym King is a UK fitness clothing brand that makes gymwear, tracksuits, hoodies and leggings for men, women and children. It operates as Gym King Limited, registered in England.

Facts
FounderJay Parker
Legal entityGym King Limited, registered in England
CategoriesFitness clothing for men, women and kids
Community programmeBuilding Foundations
Websitethegymking.com
Segment
Mid-market
Categories
SportswearWomenswearMenswearChildrenswear
Sales channels
Own storesE-commerce

What is Gym King?

Gym King is a British fitness clothing brand. It describes itself as an internationally respected name in fitness clothing and is run by the registered company Gym King Limited. Its website names Jay Parker as founder and chief executive.

Products and positioning

The range covers men, women and children. Categories include gymwear, tracksuits, hoodies, leggings, sports bras, shorts and accessories. The brand organises its offer around activities:

  • Gym
  • Combat sports
  • Running
  • Yoga and pilates
  • Travel

Community activity

Gym King runs a programme called Building Foundations, which partners with gyms and fitness communities. Partner gyms are listed in Leeds, Harrogate, Batley, Dublin, St Helens, Manchester and Wakefield. The brand has also opened a pop-up store at Westfield London and worked with the Royal Navy's Combat Sports Initiative on a community event in Leeds.

Distribution

The brand sells through its own online store and also offers gift cards.

Frequently asked questions

What does Gym King sell?

Gym King sells fitness clothing including gymwear, tracksuits, hoodies, leggings, sports bras and shorts for men, women and children.

Who founded Gym King?

The Gym King website names Jay Parker as its founder and chief executive.

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