La Sportiva Spantik Boots - Men's

The Men's Spantik Boot by La Sportiva is a technical lightweight double boot for cold environments.The cutting edge of mountain-boot technology - the Spantik (hint: it's a peak in the Karakoram Himal whose Golden Pillar is synonymous with extreme alpinism) combines all the latest - lightest materials to shave a full pound of the Nuptse and still offer unimpeachable climbing performance. Throw in the FLS (Fast Lacing System) and integral gaiter collar to keep spindrift out - and the summit is yours.Features:Outer Boot: PU-Tech transparent PU-coated embossed Benecke CeraCom Pur leatherette/Water-repellant Lorica with Antiacqua external coating/Vibram XSV Rand/Molded TPU ankle and backstay reinforcement/PE micro-cellular thermal insulating closed cell foam lined with a thermo-reflective aluminum facing coated with an anti-abrasion flocking.Inner Boot: Micro-perforated thermo-formable PE/Water-repellant Lorica with Antiacqua external coatingConstruction: Outer: Board Lasted; Inner: Slip LastedLast: NuptseSole: Vibram MontagnaMidsole: TPU/Dual-density micropore EVAInsole: 5mm Carbon Fiber with thermical - structure and central insert in polyester and aluminum insulationWeight: 5 lbs. 1 oz.Innovative Fast Lacing System for one handed closureThermo-formable inner boot for the perfect custom fitLightweight synthentic materials for quick drying and durabilityMicropore midsole