STYLISH & MASCULINE: These original Calvin Klein trunks with CK branding fit your body perfectly. This set is ideal for both sport and everyday wear. COMFORTABLE: The stretch fabric ensures these mid rise boxer briefs sit comfortably on your hips. The classic elasticated logo waistband completes this minimalist design. COTTON STRETCH: This collection boasts classic designs crafted from stretch cotton. The trunks in the COTTON STRETCH collection are must-haves thanks to their excellent fit. MATERIAL & CARE: The trunks are made from 95% cotton and 5% elastane. They are machine washable. EXCITING & NEAT: Created in 1968, the Calvin Klein lifestyle brand is known for its signature look and has been inspiring the fashion world ever since. The American brand is all about minimalist aesthetics.