The Gym King sale - May 2026

Gym King activewear and athleisure clothing in the UK

Gym King (thegymking.com) is a UK-based athleisure brand combining gymwear performance with modern streetwear aesthetics. Founded in 2015, the brand has built a strong reputation among fitness enthusiasts and lifestyle shoppers looking for slim-fit tracksuits, muscle-fit t-shirts, seamless gymwear and everyday essentials. Gym King clothing is especially popular in the UK market thanks to its tailored athletic cuts, minimalist branding and collections designed for both training sessions and casual wear.

Best-selling Gym King tracksuits, gymwear and everyday essentials

Gym King offers a wide range of menswear, womenswear and kidswear collections focused on comfort, mobility and modern styling.

• Established Collection – premium hoodies, regular-fit tees and tapered joggers made from ultra-soft stretch fabrics
• 365 Collection – seamless leggings, unitards and gym sets with sweat-wicking materials for everyday training
• Muscle-fit t-shirts – fitted tees designed to accentuate athletic physiques
• Tracksuit sets – matching hoodies and joggers available in slim and relaxed fits
• Performance shorts and tops – lightweight gymwear for running, lifting and HIIT workouts
• Kidswear range – tracksuits, leggings and fitness tops available for ages 3–15

Popular product categories include tapered tracksuit bottoms, oversized hoodies, seamless leggings and performance tees. The brand frequently releases limited seasonal drops and anniversary collections with updated fits and colour palettes.

What makes Gym King different from traditional sportswear brands

Unlike performance-first sportswear giants, Gym King focuses heavily on the crossover between gymwear and street fashion. The brand became popular by targeting consumers who wanted fitted athletic clothing suitable for both workouts and daily wear.

Many Gym King products feature:

• Sweat-wicking technical fabrics for training comfort
• Four-way stretch materials improving mobility during workouts
• Tapered athletic silhouettes designed for modern streetwear styling
• Minimal branding compared to heavily logo-focused competitors
• Matching coordinated sets for a complete athleisure outfit

The brand is also stocked by major UK retailers including Selfridges, Next and John Lewis, helping Gym King expand beyond independent fitness apparel into mainstream fashion retail.

Who should buy Gym King clothing and gymwear

Gym King is aimed at shoppers looking for affordable premium athleisure rather than purely technical sportswear. The brand is especially popular among:

• Gym-goers wanting fitted training apparel
• Fans of UK streetwear-inspired fashion
• People looking for versatile outfits suitable for workouts and casual wear
• Students and younger consumers interested in matching tracksuit sets
• Fitness influencers and social-media-focused lifestyle shoppers

Compared with brands focused exclusively on elite athletic performance, Gym King prioritises appearance, fit and versatility. This makes the products particularly appealing for everyday wear and social settings alongside gym sessions.

Gym King discount codes and savings on Picodi UK

Gym King regularly offers seasonal sales, multi-buy promotions and limited-time discounts across menswear, womenswear and accessories. Discounts of up to 70% are often available during clearance campaigns, especially on hoodies, joggers, gym leggings and tracksuit sets.

Shoppers can also find:

• Student discounts through UNiDAYS
• Blue Light Card promotions
• NHS and key worker offers
• Loyalty rewards through the Gym King Loyalty Club

At Picodi.com, users can browse updated Gym King discount codes, promotional offers and verified voucher deals for the official online store. Since Gym King operates primarily through its own ecommerce platform, promo codes can usually be applied directly during checkout.

Gym King delivery, payment methods and customer support in the UK

Gym King supports several modern payment solutions including major debit cards, credit cards and Buy Now Pay Later services. Flexible payment options are especially useful for larger purchases such as matching tracksuit collections or seasonal wardrobe updates.

UK delivery options typically include:

• Standard delivery: around £3.99 with delivery in approximately 3–5 working days
• Express delivery: around £5.99 with 1–2 working day shipping via tracked courier services
• Free UK delivery: available on qualifying orders over a specified spend threshold

Gym King also offers international shipping from the UK with local currency support for selected markets.

Customers generally receive a 30-day return window for unworn items. Product pages include detailed size guides and fit recommendations, which help reduce sizing issues commonly associated with slim-fit athleisure brands. Customer support is available through the official help centre and email support channels.

FAQ about Gym King

Is Gym King considered sportswear or streetwear?

Gym King combines both categories. The brand designs gym-ready activewear with styling inspired by UK street fashion and modern athleisure trends.

What are the most popular Gym King products?

Best-selling items include tapered tracksuit bottoms, oversized hoodies, seamless gym leggings, performance t-shirts and matching tracksuit sets.

Does Gym King release limited collections?

Yes. The brand frequently launches seasonal drops, anniversary collections and updated colourways that are often available for limited periods only.

Are Gym King clothes true to size?

Many Gym King products use athletic slim-fit cuts. Customers between sizes often choose a larger size for a more relaxed fit, especially for muscle-fit t-shirts and fitted joggers.