The Nike Women's Aeroloft Running Vest is a lightweight and breathable vest that is perfect for your running sessions. It is made with Nike Aeroloft technology to provide excellent insulation without adding bulk. The vest features a zippered chest pocket and reflective details for added visibility in low-light conditions. Its slim fit and ergonomic design allow for unrestricted movement. Whether you're training for a marathon or going for a casual jog, this vest will keep you comfortable and protected.