When every gram counts on technical alpine ascents, the Arc'teryx Alpha SL 30 delivers game-changing performance at just 444g. Built with revolutionary ALUULA Graflyte™ fabric that fuses ultralight polymer films into an incredibly tear-resistant material, this 30L climbing backpack refuses to compromise between durability and weight savings. Six integrated front lash points let you customize external gear carry for quick access to essentials during rock, ice, and alpine climbing, while the integrated mini-lid automatically protects your gear and provides secure rope attachment. The thermoformed shoulder straps and back panel ensure comfort during long technical climbs, and the RECCO reflector adds crucial safety for alpine environments where rescue visibility matters most.