
runderwear
Award-winning anti-chafe running underwear with seamless technology designed specifically for runners.
Current Offers
NEW Women’s Pulse Sports Bra - Fiesta
Your new go-to for effortless comfort and confident performance. Designed for low to mid-impact support, this seamless sports bra moves with you, offering a smooth, irritation-free fit that feels great from warm-up to cool-down.
Gifts for Her
Spoil the runner in your life with gifts that combine comfort, performance, and style. From supportive sports bras to anti-blister socks and seamless underwear, these thoughtful picks are designed to keep her moving confidently.
NEW - Women's Running Base Layer Top
Super-soft and seamless, our Women's Long Sleeve Seamless Running Base Layer is designed with comfort and performance in mind. Run warm in the coldest of climates without overheating thanks to dynamic heat control and a flexible fit so you can wear it on it's own or as a base layer. 100% comfort, 100% chafe-free - guaranteed.
Bestseller Women's Running Briefs
Coverage, comfort, confidence. Our Women's Anti-Chafing Running Briefs are designed to support thanks to super-soft, seamless fabric that wicks sweat away from your skin quickly. You'll be cool, dry and 100% chafe-free, guaranteed.
Voucher Codes
No voucher codes available right now for runderwear.
Shop at runderwearNo reviews yet for runderwear
Be the first to write a reviewAbout runderwear
Discounts & Loyalty
Gift Cards Available
Shipping & Returns
Free UK delivery on orders over £40. Standard delivery 2-4 working days. Express delivery available.
Returns Policy
90-day chafe-free guarantee. Full refund if products cause chafing. Standard 30-day returns on unworn items.
Company Information
Founded
2013
Headquarters
United Kingdom
Payment Methods
Sustainability
Runderwear creates durable, high-quality products designed to last through hundreds of washes, reducing the need for frequent replacement.
Frequently Asked Questions
What is Runderwear's chafe-free guarantee?
Runderwear offers a 90-day chafe-free guarantee. If their products cause you to chafe during running, they will provide a full refund.
How is Runderwear different from regular underwear?
Runderwear uses 360-degree seamless technology, creating garments from a single piece of fabric with no side seams or labels. The moisture-wicking, anti-chafe materials are specifically designed for running.
How do I wash Runderwear?
Runderwear can be machine washed and will hold its shape through hundreds of washes. Follow the care label instructions for best results.
Does Runderwear make sports bras?
Yes, Runderwear offers a range of high-performance sports bras designed with the same seamless technology and anti-chafe properties as their underwear.
4 offers available
Customer Reviews
Be the first to review
Contact Information
Customer Service Email
[email protected]Customer Service Hours
Monday to Friday, 9am - 5pm
Similar Shops

Boody
B-Corp certified bamboo basics brand scoring in global top 5% for sustainability since 2012.
M&S
Iconic British retailer for quality clothing, home products and exceptional food since 1884.
Calvin Klein
Shop minimalist American fashion essentials including underwear, jeans, and fragrances with iconic style.

Tu Clothing
Affordable fashion for the whole family from Sainsbury's clothing brand.
H&M
Affordable fashion for women, men, teens and kids. Discover the latest trends in clothing, accessories and sustainable collections from one of the worlds largest fashion retailers.