The Obermeyer Women's Akamai 3L Shell Jacket is made with HydroBlock® three-layer stretch fabric that is 20,000 waterproof/breathable and been fully seam sealed so it's ready for all winter weather conditions. It features a removeable helmet-compatible hood, AquaGurad® zippers, underarm venting and a fleece-lined collar to keep you snug, warm, dry and comfortable all day long. The Obermeyer Women's Akamai 3L Shell Jacket is an all-day performer that's sure to put a smile on your face.