• Nylon
• RDS-certified, 750 fillpower goose down with a non-PFC Ultra-Dry Down treatment to stay drier in damp conditions
• Free Flow Zip System offers excellent temperature regulation and multiple sleeping bag configurations
• Women's specific fit means more narrow at the shoulders (for reduced weight) and wider between the hips and knees to allow for a natural, side-sleeping position
• Anatomical footbox is constructed for improved warmth retention
• Lightweight 20D recycled nylon shell with a non-PFC DWR finish to protect against wind and moisture and a 20D recycled nylon liner for greater comfort, Box baffle construction throughout with vertical baffles in the torso to minimize down shift and maximize the retention of warmth, Sea to Summit Guarantee is offered for the Lifetime of this product,