Funny Trucker Shirt, Tanker Shirt, Back Off I’ve Got Gas, Funny Trucker Gift Specification: 5.3 oz. Pre-shrunk 100% cotton, Seamless half-inch collar, Side seamed, Cap sleeves, Double-needle stitched hems, Taped neck, & shoulders, Tear away label Sizing Chart can be found by scrolling through the product images Funny Trucker Shirt, Tanker Back Off I’ve Got Gas, Gift