- Certified 650 fill power down with Down Defender to improve water-resistance in wet conditions
- Main zipper with anti-snag slider and fold-down second zipper provides added ventilation and easy access
- EN tested for reliable temperature rating
- Anatomically designed footbox with wrap-around construction increases warmth
- Nautilus muli-baffle hood with drawcord.
- Down filled collar.
- Full length locking YKK two-way zipper with draft tube to reduce heat loss.
- Internal stash pocket and heater pocket in footbox.