3 pack of black, white, and grey briefs. Calvin Klein Underwear, curated by Reiss, is a collection of lingerie designed to elevate the underwear drawer and work perfectly beneath your existing Reiss garments. Feel comfortable from the first layer. These briefs are a bestseller for the brand. Crafted from a cotton-elastane blend, they offer supreme comfort and stretch that supports you throughout the day. They’re cut to medium rise to sit close on the hip, and a signature white monogram waistband is featured for enduring style. three-pack of black, white, and grey briefs. Cotton-elastane blend. Medium rise. Signature monogram waistband.