The Bontrager Women’s Mesh Sleeveless Cycling Base Layer is an ultralight sleeveless base layer for temperature regulation in warm & hot temps. It is designed to work best in temperatures from 21 to 32 degrees centigrade. Bontragers Mesh Sleeveless Base Layer keeps you cool & dry when temperatures rise. Its made from ultra-lightweight fabrics enhanced with 37.5 active particle technology to keep your body at an ideal core temperature on even your hottest & longest rides. Features Profila Dry fabric & 37.5 active particle technology offer moisture & temperature regulation Ultra-light, moisture-wicking material made from polyester & Profila Cool Natural materials eliminate odour molecules & never wash out Longer body length & drop tail tucks into shorts or bibs to prevent overexposure Locker loop on collar makes base layer easy to hang for quicker drying after rides Fitted cut provides a streamlined body fit for enhanced performance