A lightweight nylon vest is outfitted with high-tech PrimaLoft insulation that offers the warmth equivalent of 600-fill down while maintaining performance in wet conditions. Wear it as a core-protective layer on the coldest days, or pack it along for lightweight-but-serious emergency protection on backcountry runs. 25 1/4" length (size Medium). Front zip closure. 220g (7.76 oz). Lined, with 100% polyester PrimaLoft ThermoBall insulation. 15D 33 g/m² (1.16 oz/yd²) 100% nylon (bluesign® approved fabric). Machine wash cold, tumble dry low. By The North Face; imported. Women's Active & Swim.