Montbell's UL Down Inner Jacket is one of the lightest and warmest insulation layer possible. This jacket weighs less than a tee-shirt, blocks more wind and is warmer than the heaviest fleece jackets, and compresses down to the size of a water bottle! This series is designed for use when warmth is critical, minimal weight is paramount, and space is at a premium.
FEATURES
High quality 800 fill power hypoallergenic goose down