Skip N' Whistle Adult Ugly Christmas Sweater Santa Dinosaur Pullover Sweatshirt 50/50 super soft Cotton / Poly blend which is preshrunk and will hold it's size nicely Sweatshirt is professionally screen printed to have a knitted look For best fit, order one size larger than your favorite t shirt Super soft fleece lined inside, and machine washable Unisex sizing, please see size chart for details