<!--ProdInc[300301853]/Mall:[backcountry_US]-->The La Sportiva Spantik Mountaineering Boots give us warmth for high-altitude and winter mountaineering and the agility to send difficult ice and mixed pitches. The synthetic outer boots increase flexibility and help reduce weight to just an ounce over five pounds. <h3>Details</h3> Mountaineering boot made for 6000-7000 meter peaks Thermo-molded inner boot and micro-cellular insulation for warmth Both shell and removable liner have Lorica weatherproof treatments Glove-friendly closures at both inner and outer boots Insulated footbed and triple-layer midsole assures underfoot comfort Vibram Montagna sole with step-in crampon compatibility Item runs small, so we recommend sizing up for best fit Item #LSP0059 <h3>Tech Specs</h3> Upper Material : PU-Tech, PU coating, Benecke CeraCom PUR leatherette, Lorica with Antiacqua coating, molded TPU, c Insulation : PE micro-cellular thermal closed cell foam Lining : thermo-reflective aluminum facing Removable Liner : micro-perforated thermo-formable PE, Lorica with Antiacqua coating Thermo-moldable Liner : yes Closure : speed lace Last : Nuptse Footbed : thermal structure carbon fiber and aluminum insulation (5mm) Midsole : TPU, dual-density EVA Sole : Vibram Montagna Style : double boot Crampon Compatibility : step-in Claimed Weight : [pair, size 9] 5lb 4oz Manufacturer Warranty : 1 year Activity : high-altitude and cold-weather mountaineering