Mad River 40.Technology:- Recycled/ExpeDry/Down/PFAS Free.Activity:- Backpacking.Product Weight:- 868g.Product Length:- 183cm.Fabric Content:- 100% Recycled Nylon Ripstop.FEATURES:-Certified 650+ fill power down with ExpeDRY treatment for quick-drying, loft-retaining performance.-Gender-free design is available in standard, short, and long sizes.-100% recycled shell and lining fabrics.-Full-length left-side zip with snag-free slider provides ventilation, comfort control, and easy access in and out of the bag.-Short right-side zip provides fold-down comfort and extra ventilation control.-Anatomically-designed footbox with wrap-around construction increases warmth and comfort.-Internal stash pocket.-Draft collar seals in warmth and prevents heat loss when moving during sleep.-ISO tested for reliable temperature rating.-Compression sack and storage bag included.Certified 650+ fill power down with ExpeDRY treatment for quick-drying, loft-retaining performance.Gender-free design is available in standard, short, and long sizes.100% recycled shell and lining fabrics.Full-length left-side zip with snag-free slider provides ventilation, comfort control, and easy access in and out of the bag.Short right-side zip provides fold-down comfort and extra ventilation control.Anatomically-designed footbox with wrap-around construction increases warmth and comfort.Internal stash pocket.Draft collar seals in warmth and prevents heat loss when moving during sleep.ISO tested for reliable temperature rating.Compression sack and storage bag included.SPECIFICATIONS:- Marketing Temperature:- 4.-Comfort Temperature:- 7.-Limit Temperature:- 2.-Extreme Temperature:- -13.-Shoulder Length:- 159cm.-Hip Length:- 147cm.-Foot Length:- 124cm.-Interior Length:-200cm.