100% recycled polyester jersey (heathers and cross-dyes have 50% recycled content). Fair Trade Certified sewn Set-in sleeve design for enhanced movement and fit Stretch fabric provides enhanced comfort during activities both in and out of water miDori bioSoft for added wicking and softness Minimal stitching and seams to help reduce chafing 50+ UPF sun protection 128 g (4.5 oz)