Update your staples with Calvin Klein underwear. Shop a collection of CK underwear ideal for everyday wear. Add to your essentials with Calvin Klein boxers for all day comfort, and opt for cotton constructions for breathability. Pick classic black, white and grey designs or add a pop of colour with blue pairs. Choose Calvin Klein trunks for more coverage and introduce boxer briefs for a slimmer fit. Stock up on your favourites with a Calvin Klein boxers 3 pack and add the iconic logo waistband for a branded stamp.