Men's Aenergy Wb Hooded Jacket is a lightweight and technical windbreaker from Mammut that is suitable for everything from summer hikes and alpine climbing to breezy winter ski tours. With a streamlined design to offer exactly what you need and not a gram more, you’ll enjoy a helmet-compatible hood, durable stretch forearm inserts, a harness-compatible two-way front zipper, and a secure chest pocket that moonlights as a stuff bag when your jacket’s not in use. \n\nKeep options open with a durable and harness-friendly two-way front zipper.Easily stash essentials – or your whole jacket when it’s not in use.