- 3D WarmCube™ construction prevents down fill from shifting and traps heat in the surrounding air channels for maximum warmth and performance
- 3M™ Thinsulate™ Featherless insulation is as warm as 700-fill-power down and stays warm even when wet; PrimaLoft® Silver Hi-Loft insulation provides breathable, lightweight warmth
- Pertex Quantum® fabric protects from wind and improves the efficiency of insulation
- Fixed hood with adjustable opening; adjustable drawcord hem
- Internal elastic cuffs seal in warmth
- Zippered handwarmer pockets; interior chest pocket