Description of Marmot Afterburner Jacket The Afterburner's broad appeal belies its alpinist roots: climber-friendly design, Windstopper® fabric and precise fit make it equally at home at the crag and on the street. Features: Weight: 1lb 7 ozs / 652 g Shell material: Micro Fleece P-720 Windstopper® Reinforcement: M-300 Nylon Taslan Gore Windstopper® Nylon reinforcement Roll over wind flap behind zipper Adjustable Velcro® Cuff Designed to fit over a light layer Elastic draw cord hem for adjustability in serious weather Zip handwarmer pockets soft fabric to warm hands