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Gym King is a leading UK brand offering stylish fitness apparel and contemporary lifestyle fashion for men and women, perfect for both workouts and everyday wear.
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Since its inception in 2015, Gym King has rapidly grown from a promising UK startup into a globally recognised brand in the fitness and lifestyle fashion sectors. Headquartered in Leeds, United Kingdom, the company was founded with a clear vision: to create stylish, high-quality apparel that blurs the lines between gym wear and everyday fashion. Known for its innovative designs and commitment to comfort, Gym King has successfully carved out a niche, appealing to a broad audience across the UK and beyond. The brand's journey is a testament to its dedication to evolving fashion trends while maintaining its core identity as a leader in active and casual wear.
The Gym King collection is meticulously designed to cater to the modern individual's wardrobe needs, offering a comprehensive range of clothing for both active pursuits and relaxed living. For those seeking premium men's activewear, discover durable t-shirts, performance shorts, and comfortable joggers perfect for any workout. Women can explore an equally impressive selection of women's gym wear, including supportive sports bras, flattering leggings, and stylish crop tops. Beyond the gym, Gym King excels in lifestyle fashion, featuring versatile tracksuits, hoodies, sweatshirts, and outerwear that effortlessly transition from a casual day out to an evening with friends. Each piece reflects the brand's signature blend of athletic functionality and contemporary street style, making it easy to buy Gym King clothing online that suits every aspect of your life.
Shopping for your favourite Gym King apparel is straightforward and convenient through their user-friendly e-commerce platform. While the brand operates primarily online, ensuring a smooth digital experience, customer support is readily available via email at customerservice@gymking.com during standard business hours. Gym King is also committed to rewarding its loyal customers through the "GK Rewards" programme, where points earned on purchases can be redeemed for discounts and exclusive benefits. Moreover, the brand proudly supports students, NHS/healthcare workers, and military personnel with significant discounts, making high-quality UK activewear more accessible. Discover the latest drops and timeless essentials, and enhance your wardrobe with Gym King's distinctive style.
Gym King was founded in 2015 and is headquartered in Manchester, United Kingdom, with Primarily online, with limited physical presence. locations.
Student Discount
Student discount available via UNiDAYS
NHS Discount
Gym King offers a 20% discount for NHS and key workers. Some sources also indicate a 10% discount for Healthcare & NHS Staff, verifiable through Gocertify.
Military / Blue Light Discount
Gym King offers a 20% discount for military personnel as part of their key worker discount. Some sources also indicate a 10% discount for Military Personnel, verifiable through Gocertify.
Gift Cards Available
Loyalty Programme
GK Rewards (The Loyalty Club)
Members earn 1 point for every £1 spent, redeemable for discounts and exclusive perks. Tiers (Black, Gold, Platinum) offer increasing benefits. You need at least 100 points (£5 value) to redeem. A referral programme also awards 100 points to both you and a friend.
Free UK delivery over £50; next-day available
Returns Policy
28-day returns on unworn items with tags
Founded
2015
Headquarters
Manchester, United Kingdom
Number of Stores
Primarily online, with limited physical presence.
Our customer service team is available Monday to Friday, from 9 am to 5 pm, excluding UK national holidays. We aim to respond to all enquiries promptly within these hours.
As an online brand, Gym King does not operate a call centre. The best way to reach our customer service team is via email at customerservice@gymking.com.
Yes, Gym King offers several student discounts! You can get 15% off with UNiDAYS, 15% student discount with Student Beans, 20% off for students via Youth Discount, and 10% student discount for TOTUM members.
GK Rewards, also known as The Loyalty Club, allows members to earn points for every £1 spent and for engaging with the brand. These points can be redeemed for discounts and exclusive perks. There are three tiers – Black, Gold, and Platinum – offering increasing benefits as you progress.
Yes, Gym King proudly offers a 20% discount for NHS and key workers, as well as military personnel. Some sources also indicate a 10% discount for Healthcare & NHS Staff and Military Personnel, verifiable through Gocertify.
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Be the first to write a reviewStudent discount available via UNiDAYS
Gym King offers a 20% discount for NHS and key workers. Some sources also indicate a 10% discount for Healthcare & NHS Staff, verifiable through Gocertify.
Gym King offers a 20% discount for military personnel as part of their key worker discount. Some sources also indicate a 10% discount for Military Personnel, verifiable through Gocertify.
Get free delivery on orders over £50 at Gym King.
Members earn 1 point for every £1 spent, redeemable for discounts and exclusive perks. Tiers (Black, Gold, Platinum) offer increasing benefits. You need at least 100 points (£5 value) to redeem. A referral programme also awards 100 points to both you and a friend.
Buy discounted Gym King gift cards from cashback sites to save even more.
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| Standard Delivery | Free UK delivery over £50; next-day available |
| Free Delivery | Orders over £50 |
| Click & Collect | Not available |
| Returns Policy | 28-day returns on unworn items with tags |
| Student Discount | Student discount available via UNiDAYS |
| NHS Discount | Gym King offers a 20% discount for NHS and key workers. Some sources also indicate a 10% discount for Healthcare & NHS Staff, verifiable through Gocertify. |
| Military Discount | Gym King offers a 20% discount for military personnel as part of their key worker discount. Some sources also indicate a 10% discount for Military Personnel, verifiable through Gocertify. |
| International Shipping | Available |
| Payment Methods | Visa, Mastercard, American Express, PayPal, Klarna |
| Founded | 2015 |
| Headquarters | Manchester, United Kingdom |
Last updated: June 2026
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Customer Service Email
customerservice@gymking.comCustomer Service Hours
Monday to Friday, 9 am to 5 pm (excluding UK national holidays)