Personalized Winter Rocks T-Shirt. Winter rocks text with three snow flakes sets the mood for skiers, boarders, snowmen makers and all lovers of winter fun and is a unique design for the winter holidays. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.