The Womens Marmot Rocklin Half Zip is a ultra warm lightweight fleece sweater with big mountain performance. The Polyester fleece fabric of the Rocklin Half-Zip gives it distinction from the other sweaters you'd find in your closet. This Rocklin Half Zip fleece offers the perfect compromise for a mid-layer, with impressive insulating performance that weighs in at far under a pound, and compresses down to practically nothing. Sure to be a winter-long favorite, the Rocklin Half Zip also performs well as a mid-layer under a shell and a knock-about sweater for sitting around camp or hanging out around town. When you can't get around the bonfire, lighten your load and up your warmth with the Women's Marmot Rocklin 1/2 Zip.