Calvin Klein MICRO STRETCH underwear is crafted from smooth, second-skin microfibre that wicks away moisture to keep you cool and dry. Features low rise waist and Calvin Klein signature elastic waistband. Made from 88% polyester and 12% elastane. Machine wash, tumble dry low. Fits true to size. Country of origin: Haiti. Style Reference: 000NB2569AUB1. These original Calvin Klein trunks with CK branding and a low rise waistband fit your body perfectly, ideal for both sport and everyday wear. The stretch fabric ensures a comfortable fit that won't feel restrictive. Created in 1968, Calvin Klein is known for its minimalist aesthetics.