You won't want to leave, but with light and compressible materials that make it easy to move camp, you can get closer to your summit. 850-fill goose down insulation for optimal warmth-to-weight ratio and compressibility. GORE-TEX WINDSTOPPER® fabric is breathable, highly water-resistant, windproof, and ideal for severe conditions. Expedition mummy cut efficiently adds space to allow for gear storage in freezing temps. Lightweight but durable #5 zipper with anti-snag for easy entry and exit.Shaped draft collar blocks the escape of warm air from inside the bag. Oversized down-filled face gasket extends into the hood to comfortably block drafts. Contoured footbox follows natural foot position for maximum warmth and comfort. Vertical side wall baffles for added warmth and maximum loft. Glow in the dark, reflective zipper pull. Nylon compression sack and mesh storage sack included. Oversized zipper draft tube prevents cold spots along the zipper. 850-fill Goose Down RDS Cert/Fluorine Free. 4 lb 10 oz / 2099 g. The item "Mountain hardwear sleeping bag Phantom Gore-Tex -40F/-40C" is in sale since Tuesday, April 6, 2021. This item is in the category "Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags". The seller is "volopon-0" and is located in San Jose, California. This item can be shipped to United States.