Description of Marmot Kingpin Jacket Thanks to the Polartec® Wind Bloc® membrane laminated directly to a lightweight, stretchable fabric, this M1 series softshell completely blocks wind while still allowing moisture vapor and perspiration to pass through. A long list of professional features make the Kingpin as practical as it is comfortable. Features: Weight: 1 lb 8 ozs / 680 g Main Material: Polartec®Windbloc® P-870 Adjustable Velcro® Cuff Adjustable Velcro Cuff Angel-Wing Movement™ Allows Full Range of Motion in Arms so Jacket Doesn't Ride Up Attached Hood Provides an Extra Warmth Layer Under a Shell Hood or By Itself in Milder Conditions Designed to Fit Over a Light Layer Elastic Draw Cord Hem For Adjustability in Serious Weather Inside Zip Pocket Secure Pocket to Store Small Items Marmot M1 Softshell Water-Resistant, Breathable, Windproof, Durable, Warm, Stretch Pack Pockets™ Slanted Chests Pockets That Can Be Accessed While Wearing a Pack PitZips™ Underarm Zip That Extends Into the Body for Aggressive Venting Polartec® Windbloc® Stretch Fabric Polartec Windbloc Stretch Fabric Wind Resistant, Water Repellent, and Breathable