Materials:
* Body Fabric: GORE-TEX® Windstopper 30D 2-Layer Nylon Ripstop 57 g/m²
* Lining Fabric: 15D Nylon Ripstop 34 g/m²
* Shell Fabric: GORE-TEX® Windstopper 30D 2-Layer Nylon Ripstop 57 g/m²
* Insulation: 800-fill RDS®-Certified Down/Fluorine Free

Specs:
* Approximate Weight: 3 lb 10.3 oz / 1652 g
* Approx. Bag Fill Weight Regular*: 1 lb 15.6 oz / 895 g
* Compressed Size Regular: 17 in x 9.5 in / 43 cm x 24 cm
* Sleeping Bag Compressed Volume Regular: 692 in³ / 11.3 ltr
* Max User Height Regular: 72 in / 183 cm
* Shoulder Circumference Regular: 64 in / 163 cm
* Hip Circumference Regular: 58 in / 147 cm
* Bag Shape: Expedition Mummy

Temperature Rating: 0 F / -18 C
*EN Rating: T-COMFORT: 13 F / -11 C
*EN Rating: T-LIMIT: 0 F / -18 C
*EN Rating: T-EXTREME: -38 F / -39 C

Features:
* 800-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
* Oversized hood allows for full cinch closure in freezing temps
* 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