Men’s briefs Men's underwear made from nylon / elastane Machine wash Imported Tagless Flyless Calvin Klein underwear style U2715F Say “hello” to one of Calvin Klein's most popular briefs. Made from a blend of soft nylon and stretchy elastane, the Calvin Klein Steel Micro Hip Briefs provide a perfect fit. Available in Calvin Klein's exclusive Dream Blue or Digital Pink hues, these sexy men's briefs feature a contour pouch that keeps you in place and provides supportive lift. A center back seam on seat provides better definition of your buttocks and prevents ride-up. Turned out and double-stitched leg hems won't cut into your leg. Wide microfiber waistband chafes less than exposed elastic and features a bold Calvin Klein logo.