The Helixir Shell Jacket will protect your movements in the harshest conditions. It's our most advanced 3-layer waterproof jacket, combining a high-performance internal membrane with Spectra® fabric, one of the lightest and strongest fibers in the world. With greater durability than polyester and greater strength than steel, this fabric guarantees the most reliable protection for your big-wall conquests. The Helixir Shell Jacket offers an exceptional design that provides great freedom of movement. It features pre-shaped sleeves and shoulders to maximize your movements, an elastic waistband for all-day comfort, and a hood that keeps you protected without sacrificing the protection of your helmet.