5.3 oz./yd², 100% cotton Pre-shrunk This product meets the following Sustainable Style subcategories - Sustainable Manufacturing - This product was created within a circular business model/economy and meets the OEKO-TEX Standard 100Socially Conscious Manufacturing - This product was made in a facility that utilizes the Higg Index and has implemented Level 2 practices or above, was made by a mill that is FLA accredited (Gildan), and was made in a facility that is WRAP certified Colortone Oil Wash T-Shirt