Christmas Tree Sweatshirt, Christmas Tree Crewneck, Cozy Winter Sweater, Christmas Tree Subtle Holiday Sweatshirt. Ideal for any situation, a unisex heavy blend crewneck sweatshirt is pure comfort. These garments are made from polyester and cotton. This combination helps designs come out looking fresh and beautiful. The collar is ribbed knit, so it retains its shape even after washing. There are no itchy side seams on these sweaters. .: 50% cotton, 50% polyester.: Medium-heavy fabric (8.0 oz/yd² (271.25 g/m²)).: Loose fit.: Sewn-in label.: Runs true to size