Classic boxer brief features Calvin's signature styling and premium fit with stretch added to the mix to keep it that way. Made of cotton and elastane. Each pack contains three cotton-blend boxer briefs. Cotton knit stretches so fit stays close and doesn't become loose. Seamless traditional fly-front. Crotch gusset panel gives a more structured fit. Center rear panel guides fit to reduce bunching and ride-up. Calvin Klein classic exposed elastic waistband. Two-ply leg hems for a little extra hold. Open fly.