The REI Co-op Women's 650 Down Vest is a top-rated activewear vest designed for women's safety. It is filled with responsibly sourced down insulation, offering excellent warmth and comfort. The vest has a water-resistant shell to protect you from light rain and snow. It features a slim fit design that can be easily layered. The REI Co-op Women's 650 Down Vest is highly rated on Amazon for its quality, durability, and affordability.