The Pieps Climber Pro is innovative and experience-oriented for climbing pros. All the features support you on your climb including the innovative use of transparent materials and reflective interior materials to maximize the light that enters your pack making important items easier to find. Easy-access mountain axe sleeves as well as ice tool attachments for technical approaches. 100% waterproof inner compartment for valuables and topo information. Waterproof 2-way zipper for side access to the main compartment. Removable helmet attachment. The lid can be tucked away into the main compartment to reduce bulk during the climb. Hydration compatible. Reflective shoulder straps and highlights to be easily seen at night. Unobtrusive hip belt for climbing that also incorporates Pieps' innovative glacier rescue loop.