Texas flag short sleeve twill shirt, made of 100% cotton twill. Texas flag short sleeve 100% cotton twill shirt, for proud Texans. We continue to expand our line of Texas flag product. Here is what we have for you. XL - 5XL will involve additional costs. Material: Cotton Size: S, M, L, XL, 2XL, 3XL, 4XL, 5XL