Short sleeves. V-neck. Ventilation panels. Reflective prints. Wicking. Quick dry. 4-way stretch. Main: 90% Polyester/10% Elastane, Mesh panels: 100% Polyester. 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.