Made from Deltapeak™ recycled polyester jersey fabric, this lightweight top effectively wicks away moisture to keep you comfortably cool and dry as you pick up the pace. The Deltapeak™ technology is both breathable and quick-drying, providing an all-day-long fresh feel on warm days. The high density fabric construction provides snag-resistance and UV protection repels the sun's harmful rays. Whether you're jogging along mountain trails or training on city streets, the men's Shadow T-shirt offers superior comfort on summer runs.