Calvin Klein Calvin Klein Underwear's stretch-velour sweatshirt is ideal for lounging in during long-haul flights, especially when paired with the matching pants. It's cut for a relaxed fit that's emphasized by dropped shoulder seams, and has a classic V-neckline. - Gray stretch-velour - Slips on - 69% cotton, 29% polyester, 2% elastane - Machine wash - Designer color: Gray Heather