The Women's Ventilate Short Sleeve Top is Asics most advanced breathability running top. It's effective for keeping you cool in warmer conditions. Designed by the ASICS Institute of Sport Science in Japan, it applies strategic body-mapping technology to create ventilation zones where the human body sweats most. This lightweight and quick-drying top is constructed with recycled materials. It's also designed with reflective accents to keep you visible when running in low-light conditions.