Personalized Sloth My Gumpa Loves Me T-Shirt. Make your gumpa feel extra special on Grandparents Day or any day with our Sloth My Gumpa Loves Me collection. With cute and funny designs, these items are perfect for celebrating the unique relationship between grandparent and grandchild. 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.