The Asics short sleeve top is made of light, quick-dry mesh jersey, and is exceptionally breathable, allowing runners to cruise in comfort. The flat seam construction and self-fabric taping at the back of the neck means no more chafing or rubbing, even over long distances. > Stylish hexagon hem detail, ASICS branding and DNA back stitch complete the look FABRIC: Block Mesh Single Jersey - 123gsm, 100% Polyester FIT: Regular