Personalized I Love My Gramp Very Much Retro Groovy T-Shirt. Made with love and care, this product is a great gift idea for birthdays, holidays, or just to show your appreciation for your beloved grandpa. It's available in various sizes and styles, ensuring a comfortable fit for everyone. Get ready to spread some retro groovy vibes and let the world know how much you love your gramp! 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.