The Tatami "Sun and Moon" rash guard is part of their eco-friendly nogi range made using RPET polyester (recycled polyester). RPET is a new type of green, eco-friendly fabric made from yarn of recycled PET bottles. Sublimated artworkInternal rubber waistband85% RPET polyester (recycled polyester) and 15% spandexMachine wash coldHang dry Men's Size Guide: XS: 132 lbs and under S: 132-154 lbs M: 154-171 lbs L: 171-191 lbs XL: 191-209 lbs 2XL: 209-235 lbs Women's Size Guide: S: 127 lbs and under M: 127-143 lbs L: 143-159 lbs XL: 159-177 lbs |