Rails EXCLUSIVE AT NET-A-PORTER. Rails uses premium fabrics like this lightweight twill to make its comfy sleepwear. Made just for us, this 'Kellen' set features a relaxed shirt and shorts printed with leopards and tigers. It's almost too pretty for the bedroom, but you can also wear them separately. - Black and gold twill - Button fastenings through front - 100% rayon - Hand wash - Designer color: Wild Cats - Mother-of-pearl: China