Finally, comfortable active underwear for athletes. Biker Flex is our classic 9ƒ?� inseam boxer brief in a lightweight, sweat-wicking, and supportive recycled poly fabric.?ÿActive underwear made for movement9" inseam, our longest lengthMedium thigh compressionSweat-wicking and quick-drying active knit fabricSleek and smooth for friction-free fit under clothingOrganic cotton gusset for breathability and hygieneTrue to size Designed for a close fit?ÿ