Universal Textiles Mens Plain Long Sleeve Shirt & Trouser Bottoms Nightwear Pajama Set Polyester, Cotton, Mens pajama set with contrast piping. Button up shirt with collar and one pocket. Trousers with button fly and elasticated waist. Chest (to fit): M-46, L-46-49, XL-49-52, XXL-52-55. Waist (to fit): M-30, L-30-33, XL-33-36, XXL-36-39.5.