4.2 oz./yd (US), 7 oz/L yd (CA), 65/35 recycled polyester/recycled Airlume combed and ring-spun cotton, 33 singles. Recycled 100% Airlume cotton scraps and recycled polyester. Pre-shrunk. Unisex sizing. Side seams. Tear away label. This product meets the following Sustainable Style subcategories - Sustainable Materials - Contains 65% recycled polyester and 35% recycled cotton. Socially Conscious Manufacturing - This product was made in a facility that partnered with or is accredited by the Fair Labor Association and made in a facility that is WRAP and bluesign certified.