For winter-level windproof protection, choose the Ferrosi Grid Hoodie. Hybrid mapped, bonded grid fleece and award-winning Ferrosi fabric provide durable windproof protection where you're most susceptible to cold temps, and offer breathability where you need to let sweat escape. FABRIC :86% nylon, 14% spandex 90D stretch woven ripstop, 100% polyester grid fleece backer body and hood, 86% nylon, 14% spandex 90D stretch woven ripstop side panels CENTER BACK LENGTH :28" / 71 cm WEIGHT :17.8 oz/503 g