Black - U7081A-001 - U7081A - U7081 - P36 (Relaunched - former U7051A-001 - U7051A - U7051) This Calvin Klein Pro Stretch Trunk is an all-time favourite among many men. It is well-known for its unique red waistband which many men just can't resist to show-off. The Calvin Klein Pro Stretch Trunk, from the redesigned Pro Stretch collection, is a sporty Trunk with stretch cotton construction for a body-conscious fit. Material: 92% cotton, 8% elastane Care Instructions: Machine washCalvin Klein Pro Stretch Trunk With great support and moisture-wicking fabric, this Calvin Klein Trunk is a great option for the gym, sports and everyday wear. The signature Calvin Klein logo elastic waistband on the Calvin Klein Pro Stretch Trunk gives it a distinctive look that makes it easy to pick out from your underwear drawer. Cotton stretch trunk engineered with moisture wicking technology. Modern. Athletic. Sexy. Coolmax® waistband for added comfort. Iconic pro red waistband with signature logo. Pouch for comfortable support. Body enhancing contoured seams for an athletic fit. Tagless.