Personalized Groovy Retro I Love My Brother T-Shirt. Show your love and appreciation for your brother with our Groovy Retro I Love My Brother design! This charming and adorable design features the phrase "I Love My Brother" in a playful and retro font. It's perfect for expressing your affection for your beloved sibling and celebrating the special bond you share. 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.