Warmth Rating Earned: Level 4 - Extreme Warmth
A heavyweight insulated nylon.
Exterior: 6.5-ounce, 500 denier Cordura® nylon
Interior: 150g 3M™ Thinsulate™ featherless insulation
Care Instructions: Machine wash cold gentle cycle with mild detergent. Do not bleach. Tumble dry low remove promptly. Do not iron. Do not dry clean.