Champion Performance Cotton Short Boxer Brief 3-Pack_Black/Black/Grey_Medium 58% Cotton/37% polyester/5% spandex w/wicking finish Importado Champion Vapor technology adjusts the rate of evaporation as temperature changes. Designed to accelerate and slow cooling based on temperature, activity & environment. Active fit. Contrast color Champion logo waistband. Moisture-wicking fabric moves with you and keeps you dry.