Get ready for the beach wearing the Calvin Klein Underwear CK Black Hip Brief 3-Pack. Crafted from soft cotton stretch blend for breathable comfort, this underwear comes with contoured pouch for support. The moisture-wicking finish helps keep you cool and dry. Elasticized waistband. Pull-on style. 64% Lyocell, 29% polyester, 8% elastane. Machine wash, tumble dry.