One down bag to rule them all-whether you're a climber, skier, or backpacker, the versatile, gold-standard Phantom is a critical part of any overnight kit. This time-tested lightweight down bag is ideal for high-alpine traverses, backcountry hut trips, and multi-week backpacking adventures.Features 850-fill goose down insulation for optimal warmth-to-weight ratio and compressibility 10D recycled shell is extremely light and highly compressible Lightweight but durable #5 zipper with anti-snag for easy entry and exit Contoured footbox follows natural foot position for maximum warmth and comfort Draft collar blocks the escape of warm air from inside the bag Efficient performance mummy cut for maximum warmth and minimum weight Four-chamber hood design maintains even loft around head for consistent warmth Lightweight nylon compression sack and mesh storage sack included Two-way zipper allows for easy ventilation Down-filled face gasket comfortably blocks drafts at the hood opening Glow in the dark, reflective zipper pull Durable water-repellent finish Left hand and right hand zippers available for zip-together functionality Imported Specs Insulation: 90% Goose Down, 10% Goose Feather Bag Fill Type: Down Weight: 2 lb 1.2 oz / 941 g Bag Shape: Performance Mummy Bag Loft: 6" / 15 cm Bag Fill Weight: 572g / 1 lb 4 oz Bag Stuffed Size: 7 in / 18 cm x 15 in / 38 cm