Personalized Best Man Gentleman Long Sleeve T-Shirt. The Best Man is the best gentleman with his dapper bow tie and immaculately groomed mustache. Great gift for your Best Man! 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