Gym King is a UK-born premium athleisure and streetwear brand, founded in 2015. They design gym wear, hoodies, joggers, t-shirts, jackets and accessories for men and women who want to look good both in and out of the gym.

Known for their signature fit, quality fabrics and style-led designs, Gym King bridges the gap between sportswear and fashion. Their pieces are designed for versatility — worn to the gym, on the streets or for casual nights out.

Rated 4.0/5 on Trustpilot with nearly 50,000 reviews. Customers praise fabric quality and style, though sizing can vary between collections.

📋 How to use a voucher from Thegymking

1. Find your Gym King voucher and click "Reveal code".

2. The code copies automatically and thegymking.com opens in a new tab.

3. Add your items to the bag.

4. At checkout, paste the code in the "Promo code" field.

5. Click "Apply" and the discount is applied.

💡 Money-saving tips for Thegymking

✓• Sign up for 10% off your first order.
✓• Free delivery on orders over £50.
✓• 10% student discount via Student Beans.
✓• Free returns at Evri drop-off points.
✓• Sale items often drop to 50% off — check the outlet section.
✓• Combine voucher + Cazanga cashback for maximum savings.

❓ Frequently asked questions about Thegymking

Does Gym King offer free delivery?

Free UK delivery on orders over £50. Standard delivery 3-5 days, express 1-2 days from £4.99.

What is the return policy?

28 days to return unworn items with tags. Free returns via Evri drop-off points across the UK.

Is there a student discount?

Yes. 10% off for students via Student Beans.

How does Gym King sizing run?

Generally true to size, but some customers recommend checking the size guide as fit can vary between collections. Athletic/muscle fit runs snug.

What payment methods are accepted?

Visa, Mastercard, PayPal, Apple Pay, Klarna (pay in 3) and Clearpay.

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📅 Deals calendar for Thegymking

ENE7

Winter Sale

Up to 50% off hoodies, joggers and jackets.

JUN25

Summer Sale

Discounts on t-shirts, shorts and summer collections.

NOV28

Black Friday

Biggest sale of the year — up to 50% off sitewide.

🛒 Shopping information

🚚

Shipping

Free UK standard delivery on orders over £50 (3-5 days). Express from £4.99 (1-2 days). International shipping available.

↩️

Returns

28-day return policy. Free returns via Evri drop-off points.

💳

Payment methods

Visa, Mastercard, PayPal, Apple Pay, Klarna, Clearpay

🎓

Student discount

10% student discount via Student Beans.

📊 Thegymking in numbers

deals

active codes

-50%

Best discount

-25%

Average discount

⭐ 4

Trustpilot

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