Mountain Hardwear Phantasia 15 Sleeping Bag - Women's Nylon Shell: 10D Lightweight Filament Weave (100% nylon); Lining: 20D Nylon Taffeta (100% nylon) Insulation: Q.Shield DOWN 800-fill EN Rating: T-COMFORT: 15F / -9C Loft: 6" / 15cm Weight: Regular: 2lb / 911g