The Berghaus Velum Smock is a lightweight, highly breathable & packable no-nonsense mountaineering smock that has been made using new GORE-TEX Active Shell fabric. Features Technical fit GORE-TEX Active Shell Helmet compatible fixed hood Reinforced shoulder yoke Elasticated & adjustable drawcord with one-handed closure Bonded adjustable cuff tabs with hook & loop closure WEIGHT: 312g. Glossary GORE-TEX Active Shell: Offers the highest level of breathability found in any GORE-TEX fabric to date. ideal to be used in all weather conditions during highly aerobic activities, Active Shell features a lighter weight, streamlined 3-layer construction that combines laminates & fine denier performance textiles with a lighter, thinner GORE-TEX membrane. The result is garments that are extremely breathable, & provide durable waterproof & windproof protection, & excellent next to skin comfort.