A heavyweight tee that makes a lightweight impact on the planet. Made from 100% recycled cotton, this ultra-soft, carbon neutral tee is a sustainable superstar. 6-ounce, 100% recycled cotton, 18 singles Carbon footprint neutralized through Carbonfree certification 1×1 rib knit neck Shoulder to shoulder taping Side seams Recycled tear-away label A C-FREE Product We start by reducing the product’s impact by switching to at least 50% preferred materials. We then neutralize the total carbon footprint of each product in the C-FREE program-from the product’s initial raw materials to its end-of-life-through Carbonfree certification. This certification purchases third-party, verified carbon offsets through Carbonfund.