Boyshorts revolutionised - Ultra-lightweight chafe-free bliss. World's lightest full-leg running underwear at under 35 grams Designed by female ultra-runners for a comfortable gender-specific fit Silky smooth inside - no inner thigh seam and 3D comfort stretch Highly breathable and wicking to keep you cool and dry 5" inseam for full leg protection Super lightweight 85gsm mesh No chafing or your money back "These are a must have item for every trail runner. They are practical, dry quick, plus very comfortable and foremost anti-chafing." - Eszter Csillag, 3rd 2024 Western States Endurance 100 Mile, 5th 2022 UTMB "Since I started using T8 Commandos I have never run with any other underwear. I have never had any problems with chafing and they are very comfortable. I recommend everyone try them!" - Maite Maiora, 5th 2023 UTMB, 8th World Mountain Trail Running Championship 2022 Sizing: Please note we use Asian sizing, which can be up to half a size smaller than western sizing. Size Guide