Personalized Retro Groovy I Love My Uncle Very Much T-Shirt. Show your love for your uncle with this Retro Groovy "I Love My Uncle Very Much" design! This unique and stylish design is perfect for anyone who wants to express their affection for their uncle. Whether you're a nephew, niece, grand nephew, or grand niece, this design is a great way to show your appreciation for your uncle. 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.