Tri-Mountain Women's Wind/Water Resist Lightweight Active Performance Knit Vest 100% Polyester Lightweight. Perfect for active lifestyles Windproof/water resistant polyester UltraCool moisture wicking technology. Vented front and back yoke with mesh panels underneath Birdseye mesh knit underarm panels. Reflective trim along back yoke adds visibility Two zippered pockets, elastic binding on armholes, and brushed tricot inside collar for warmth. Draw-cord bottom hem for a custom fit.