Personalized Wing Nut Long Sleeve T-Shirt. Wing Nut text and an acorn nut critter with wings is a humorous twist on the phrase, wing nut. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL