Description of Mountain Hardwear Sub Zero SL Hood Jacket In 1993, a small group of people who had weathered years in the outdoor industry decided to get together and form Mountain Hardwear. In addition to working in the outdoor industry, the Mountain Hardwear founders were avid outdoors people themselves Mountain Hardwear has always focused on bringing radical thinking to the gear they make. That's why they have a section in our website that talks about the innovation they've built into their products Designed for cold weather climbing and mountaineering: 650-fill goose down, waterproof/breathable Conduit™ SL laminate and Taslan reinforced abrasion areas take on the weather and your pack with ease. Features: Detachable hood for versatility Durable, waterproof body with warm 650-fill down Baffle construction for maximum loft and warmth Reinforced abrasion areas for durability Articulated sleeves for mobility Interior water bottle pocket Interior zip pocket for keys, ID, other small items One-handed hood and hem drawcords for quick fit adjustments Stuff sack included AXF Super DWR finish repels water 5 times longer than standard DWRs