Personalized Bride's Posse Long Sleeve T-Shirt. Cowgirl bride's posse! A country western themed wedding has bridesmaids who are cowgirls, and together they make a posse for the newlywed bride! For when a cowboy and cowgirl get hitched. 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