Tee is made of 100% Cotton and includes contrast stitching and no-feel printed application. Pant is made of 100% Cotton Flannel and includes elastic waist band with draw string, functional fly and overall print. Machine wash cold with like colors. Only non-chlorine bleach when needed. Tumble dry low. Warn iron if needed. Sizes run as follows: Medium (38-40 Chest/32-34 Waist), Large (42-44 Chest/36-38 Waist) and X-Large (46-48 Chest/40-42 Waist)