Personalized New Year Let's Rock This Year Happy New Year T-Shirt. Embrace the spirit of the New Year and express your enthusiasm with this unique apparel. It's a great gift for friends and family who love to ring in the new year with flair. 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.