SIGNATURE COTTON: Spun in premium cotton yarns with a hint of stretch for flexible comfort, CK’s signature underwear is lightweight and naturally breathable. EASY CARE: Calvin Klein’s womens underwear is entirely machine washable, for easy, stress-free care. FLEXIBLE WAISTBAND: The soft stretch waistband stays put without pulling and offers excellent shape retention. CLASSIC BIKINI: CK’S logo women’s panties have a full gusset, rear coverage and seaming details. DESIGNED IN THE USA: Calvin Klein underwear is created by its NYC-based global design team using premium imported materials.