Description of Marmot Power Stretch Half Zip Top The Half Zip Power Stretch Top is the most versatile base-, mid- and outer-layer fleece you'll ever wear. A zip chest pocket expands its range that much more. Features: Weight: 9 ozs / 255 g Shell material: Polartec® Power Stretch® P-680S Flat lock construction Cuff nosewipe Designed to fit over baselayer Zip chest pocket to secure small items Wind flap behind front zipper with chin guard protects against drafts