The Calvin Klein Pro Stretch Reflex Hip Brief, again they have com up with an innovative new construction, the fit is second to none and flows the contour of your body for a minimalist feel. CK have changed the materials used to have a blend of 90% Cotton and 10% Spandex for material that breaths with just the right amount of stretch.

Available in sizes: S, M, L, XL

Calvin Klein Men's Size Chart

Men's Shirt Sizes Men's Bottom Sizes Men's Big Man Shirts Small: 34 - 36 Medium: 38 -40 Large: 42 - 44 X-Large: 46 - 48 Small: 28 - 30 Medium: 32 - 34 Large: 36 - 38 X-Large: 40 - 42 XX-Large: 44 - 46 3X-Large: 48 - 50 4X-Large: 52 - 54 5X-Large: 56 - 58 XXL: 50 - 52 XXXL: 54 - 56 XXXXL: 58 - 60