Materials:
* Shell: 30D Nylon Ripstop Windstopper 2L 58 g/m² - 100% Nylon
* Lining: 20D Nylon Taffeta - 100% Nylon
* Insulation: 850-Fill Down RDS Certified / Fluorine Free - 90% Goose Down, 10% Goose Feather

Specs:
* Temperature Rating: -40°C / -40°F
* Bag Shape: Expedition Mummy
* Approx. Weight: 4 lb 10.9 oz / 2122 g
* Max User Height: 78 in / 198 cm
* Fill Weight: 1350 g / 3 lb
* Inside Length: 95 in / 241 cm
* Shoulder Girth: 66 in / 168 cm
* Hip Girth: 62 in / 157 cm
* Stuffed Size: 11 x 20 in / 28 x 51 cm
* Compressed Volume: 1087 in³ / 17.8 L

Features:
* Allied traceable down is RDS-certified, insulation and shell fabric are bluesign® approved
* 850-fill 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
* Certified by Control Union. License Number: CU 848416
* The Responsible Down Standard certifies down against animal welfare requirements and tracks it from the source to the final product.