Lightweight, warm and flexible, the Sigyn Hooded Zip Jacket is a bio-based fleece midlayer for alpine mountaineering. It can be worn under a shell jacket or as a standalone piece during more active use. The Sigyn Hooded Zip Jacket is constructed using a 100% PLA fibre made from corn starch to create a super light and soft fabric that's fully biodegradable which avoids micro fibres staying nature. In addition it is naturally antibacterial. It features a slanted zipper to avoid chin abrasion, a snug-fitted hood that fits perfectly under a helmet, and two hand pockets that are placed higher to work with a harness or backpack. Features. Regular fit. Usages: Skiing, Climbing, Hiking. Warming, quick-drying and naturally antibacterial material. Two slightly high placed hand pockets. Zipped safety pocket inside right hand pocket. Snug fitted hood. Slanted two way centre front zip. Protective chin guard at top zip. Abrasion-free shoulder construction. Colour: black