Discover the Calvin Klein men's collection that combines casual, sophisticated and confident. Look effortlessly sexy with Calvin Klein men's clothing and underwear. Lounge on the weekend in our designer T-shirts and jeans. Make a statement with sophisticated Calvin Klein men's fashion. Strip down with confidence in CK signature boxers and briefs. Time for your workout? Work out in style with Calvin Klein men's activewear. The Calvin Klein men's collection is made with durable, breathable materials; because we care about you and the planet. CK men's fashion: a promise of everyday comfort.