A packable, windproof and water-resistant women's vest built to protect your core on blustery rides. A packable, windproof and water-resistant women's vest built to protect your core on blustery rides. The protector of all things wind The protector of all things wind The Circuit Women's Windshell Vest is an ultralight packable vest essential for crisp windy rides when your core needs protection. Not only is this vest windproof, but it also features a full-length zip for excellent temperature regulation, and has an extended rear drop-tail design for coverage against road spray. The Circuit Women's Windshell Vest is an ultralight packable vest essential for crisp windy rides when your core needs protection. Not only is this vest windproof, but it also features a full length zipper for excellent temperature regulation, and has an extended rear droptail design for coverage agai - Windshell ...