Designed with ACTIBREEZE™ technology, the Asics Ventilate Actibreeze Short Sleeve Running Top does an excellent job of keeping you cool with advanced breathability properties. Cut from incredibly lightweight and quick-drying fabric, this running vest manages moisture so you remain dry and flat seams work to reduce chafing so you can run without distraction. Featuring body-mapping technology for an incredible fit with large side slits for increased freedom of movement. Crafted in part with recycled materials for a more sustainable design approach and finished with reflective details to keep you visible when training in low lighting conditions.