Personalized Class of 2015 Beach Party T-Shirt. Class of 2015 graduation! You're a graduate, and it's time to hit the beach, and party! Congratulations grad! Everyone loves our Custom T-Shirts! 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.