Description of Marmot Power Stretch Half Zip Top - Women's The Half Zip Power Stretch Top is the most versatile base-, mid- and outer-layer fleece you'll ever wear, and the painstaking efforts of our design crew assure it will also be the best fitting. Features: Weight: 8 ozs / 227 g Shell material: Polartec® Power Stretch® P-680S Flat lock construction Cuff nosewipe Designed to fit over baselayer Wind flap behind front zipper with chin guard protects against drafts Sized specifically for women to fit your body, not a smaller men's version