The Marmot Furnace Jacket is a classic zip up fleece crafted from durable stretchy Polartec Classic polyester, which makes it the perfect layering piece for when temperatures start to drop. Flat lock construction helps maintain the streamlined silhouette. Full zip in the front with internal wind guard adds versatility while zip hand warmer pockets provide secure storage. Hem with elastic drawcord is fully adjustable. Zip in compatible with other Marmot outerwear.