Step your Underwear game up, these UA Boxer are made from a Cotton/Polyester blend with the comfort of Cotton, but wicks sweat and is quick drying, Designed with zero distraction fit these Boxers feature a performance waistband and 4-way stretch construction. Functional and comfortable, these Boxers have an articulated fly and lay flat chafe-free seam. No side or back seams gives this product ultimate comfort. 100% Cotton.