La Sportiva Nuptse Boot - Men's

The Nuptse by La Sportiva is a high-tech double boot for high altiutude mounaineering.State-of-the-art high-tech double boot for high altitude mountaineering in Nepal - winter volcano trips in the southern hemisphere - and backcountry split-board descents.Features:Outer Boot: Transparent PU-coated embossed Benecke CeraCom PUR leatherette/3mm Idro-Perwanger (over the ankle and upper tongue)/Stretch Lorica bellows tongue/Molded TPU ankle and backstay reinforcement/ Giugiaro Design lacing hardware/PE micro-cellular thermal insulating closed cell foam lined with a thermo-reflective aluminum facing coated with an anti-abrasion flocking/Vibram Rubber RandInner Boot: High density closed cell PE foam micro perforated for breathabilityConstruction: Inner: Slip Lasted; Outer: Board LastedLast: NuptseSole: Skywalk MPEMidsole: SBR AircushionInsole: 5mm Carbon Fiber + 2.5mm PE micro-cellular thermal insulating closed cell foam topped with a thermo reflective aluminum layer reinforced with perforated hydrophobic non-woven facingWeight: 2 lbs. 15 oz.Half sized shells and inner boots provide a comfortable warm performance fit Deep lugged Skywalk MPE outsole gives excellent traction on snow - ice and rock Insulated - abrasion resistant upper combines to give ultimate performance in winter conditions