Calvin Klein's CK One Low Rise Trunk is made of a super soft microfiber material that will move with you for comfort and support. Available in white, black, and spear (dark grey). This great trunk will sit low on your hips and create a sexy silhouette thanks to the combination of nylon and elastane. Features contrast piping and Calvin Klein printed around the waistband. If you're looking for a classically designed pair of underwear with a bit more sex appeal, look no further!