We use pre-shrunk heavy weight, 100% cotton t-shirts.* (Ash grey is 99/1 cotton/poly; sport grey is 90/10 cotton/poly) * get quality and fit. These are true to size. * Youth, adult, tall, super soft, heavy duty, women's shirts and hoodies to choose from. * Select styles available in sizes up to 5xl. * Makes a great gift for father's day, mother's day, st patrick's day, christmas, birthday or any occasion.