Size? Discount Codes 2026

Size? UK Savings Tips

Size? Newsletter Offers

Sign up to the newsletter at Size? using your email address to receive a 10% discount as a new customer. Further communications from Size? may follow.

Size? App Discounts

Size? offers app-only deals for its mobile apps in the UK and provides a 10% student discount on iOS and Android (verification required). The app also gives access to limited sneaker releases, allowing additional savings through early launch opportunities.

Size? Sales And Offers

size? offers students a 10% discount on full-price and sale items, applicable on their website, mobile site, and app (excluding the size?launches app) with no minimum or maximum spend, and while the discount cannot be combined with other offers, returns are refunded at the discounted price paid. students must verify their status through partner platforms (unidays/student beans) to redeem the discount, which may vary during promotional periods with some products excluded.

Size? Military Discount

Size? offers a military discount for Defence Discount Service cardholders, providing 10% off full price and sale items (excluding select products) with a unique discount code generated by the Defence Discount Service. The discount cannot be combined with other offers and is not valid on size?launches app.

Teacher Discounts at Size?

Teachers can access a discount program through Discounts For Teachers (DFT) that offers savings on latest trainers, sneakers, and casual footwear from brands such as Nike, Adidas, and Vans at Size?. Teachers must register for free on the DFT platform and verify their teaching status to use discount codes for classroom, gym, and casual/weekend footwear, with discount percentages varying throughout the year and by product.

Size? Payment Options

Size? offers a payment option via Klarna that allows customers to order now and pay in up to 30 days, with interest-free credit if payments are made on time and only paying for items kept. Customers 18+ with a UK bank account and a residential address can select "pay later with Klarna" at checkout; note that late fees (approximately £5 on orders over £20) and a soft credit check may apply, and credit or debit card payments via Klarna are also accepted.

Size? Return Policies

At Size? in-store returns are completely free and provide the fastest refund option. They are available for online and in-store purchases within 28 days with a valid receipt, making returning items to a physical Size? store the most economical option.

Size? Student Discounts

Size? offers a 10% student discount on full price and sale items online and free delivery on orders over ¬£80. Students must verify their status through Student Beans to access these offers, which apply to Size?’s selection of footwear, apparel and accessories from various brands; full terms and conditions are available on the Size? website.

Size? Healthcare Discounts

NHS and healthcare workers receive a 10% discount on full price and sale items at Size?, and this offer also applies to emergency services workers, defence/military personnel, carers, teachers, and charity workers. Eligible workers must verify their status via platforms like blue light card or health service discounts; once verified, they receive a discount code to use at checkout on size.co.uk, with terms and conditions applying.

Size? Rewards Programme

Size? offers a 10% student discount and provides a special discount for emergency services personnel. Customers receive a 10% discount when signing up for the newsletter, and regular sales and promotions are available through apps, social media, and the newsletter.

Size? Seasonal Sales

Size? offers final reductions of up to 50% off on a wide range of items, including footwear and clothing with discounts from 11% to 50% off. Selected deals feature Reebok shoes at up to 50% off, Nike Air Max models at a 31–37% discount, adidas Originals at up to 44% off, and New Balance models at up to 35% off, with free UK delivery on orders over ¬£80 and 10% discounts for students and emergency services, subject to limited stock, variable discounts, and standard return policies.