Teachers Change the World - 5.0-5.5 oz. pre-shrunk 100% cotton denim short sleeve t-shirt. - Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves. Bottom hem and front neck. Fiber content and brand could vary based on availability. - Sizing Hint: This is a standard unisex t-shirt. - Care Instructions: Machine wash cold. Do not bleach. Tumble dry medium. Do not iron directly on design. Do not dry clean.