The Boulder Gear Men's Atlas Tech Jacket gives you the protection from the elements that you need to conquer the mountain! The BG Tech fabric shell has a waterproof breathability rating of 15k and full seam sealing to prevent moisture from seeping in. It is insulated throughout with 60g of Primaloft® Black Eco for lightweight packable warmth. Underarm vents allow you to shed excess heat and the quick release detachable hood gives you added coverage from the elements. The Boulder Gear Men's Atlas Tech Jacket will keep you doing runs all day long.