Description of Kayland M11+ Mountaineering Boots New for 2008, the M11+ improves upon the award-winning performance of its predecessor, the M11, recipient of the 2007 Rock and Ice Best In Gear award. With reduced weight and improved durability, the M11+ is perfect for ice, mixed climbing, high-altitude mountaineering, and dry tooling. Features: Dual-Function Crampon Bail - The new front crampon bail is integrated with a full-length TPU midsole support structure. Dual-Zone Contact Lacing System - Anatomically asymmetrical, with free-floating lace points that allow the upper to conform precisely to the shape of the foot, as well as a Lace Lock for bi-zonal fine tuning. New Upper - A combination of microfiber, suede, and schoeller® materials resulting in improved fit, performance, and durability for this award-winning design. New Vaporlite Midsole - Utilizing a microporous material that cushions and supports, an integrated TPU crampon bail/full-length midsole support, and combined with our E.C.T. ROCK insole, the new midsole represents a 20% weight savings over previous versions. Protective Gaiter - The gaiter made from schoeller®- WB-formula material combines weatherproofing from the outside and climate control from the inside. Automatic crampons shoeller® gaiters E.C.T. Rock insoles A5 last Level of rigidity: 9 Dryver® + Primaloft® + eVent® lining New Kayland Vaporlite Midsole Vibram® Teton sole Microfiber + Suede upper