The Nike Women's Aeroloft Flash Running Vest is a high-performance activewear vest that is perfect for women who love running. Made with lightweight insulation, this vest provides exceptional warmth without restricting movement. The vest also features reflective details, ensuring visibility in low-light conditions. With its sleek design and comfortable fit, it's no wonder this vest is one of Amazon's most wished for items for women. Whether you're running on the trails or in the city, this vest will keep you warm and visible.