The Kayland Hyper Traction Mountaineering Boot digs into the mountainside with a VIBRAM Teton sole; combined with an E.C.T. TRACTION insole this Kayland mountaineering boot provides superior Hyper Traction beyond the timber line. Take the high road! In the Kayland Hyper Traction boots your feet are encased in a Dryver + Primaloft + eVent lining and Schoeller + Neoprene + PTFE Gaiter for unparalleled protection from the elements.