The Boulder Gear Men's Eiger II Jacket was designed to keep you moving when winter does its worst! The BG INCLINE fabric has a waterproof breathability rating of 15k with critical seam sealing to keep you dry. It has 100g of Primaloft® Black Eco in the body and sleeves and 80g in the collar and hood for consistent warmth. The quick release detachable hood gives you added coverage and the underarm vents help you maintain thermal regulation. The YKK® water resistant zippers and the quick adjust hem cinch cord help to keep out the cold.