The Obermeyer Maxon jacket's 800 Fill Power Goose Down keeps you warm in the toughest of conditions. Lightweight and compressible, the Maxon is an easy traveling companion. A durable 100% polyester plain weave with 15,000mm waterproof/breathable 2-way stretch fabric and AquaGuard zippers are incredibly durable and keep the elements at bay. Adjustable, gusseted cuffs with inner stretch thumbhole liners, removable hood. Fit: Regular Weatherproof/Breathable: 15K/15K FABRIC: Black: HydroBlock Pro 100% Polyester Plain Weave 2-Way Stretch Carbon Black: HydroBlock Sport 100% Polyester Crossdye with 100% Polyester Plain Weave 2-Way Stretch INSULATION: 800 Fill Power Goose Down CZV - Control Zone Ventilation with mesh gussets Powder skirt - integrated, water-resistant, with Snap-Away feature Hood - removable, adjustable Full-Motion articulated sleeves Adjustable cuffs with inner stretch thumbhole YKK AquaGuard zipper hand and sleeve pockets Interior electronics pocket with cord routing port