88% Polyester, 12% Elastane. Thumb hole at cuffs. Stretch binding at hood. Flat stitched seams. Concealed pocket in side panel. Quick dry. Wicking. Trespass Womens Chest Sizing (approx): XS/8 - 32in/81cm, S/10 - 34in/86cm, M/12 - 36in/91.4cm, L/14 - 38in/96.5cm, XL/16 - 40in/101.5cm, XXL/18 - 42in/106.5cm.