These boots are called Siberian for a reason. Ready to help you stay toasty, theyre constructed with 600 grams of insulation that helps provide cold-weather comfort and heat retention. TheOrthoLite O-Therm aerogel-infused footbed helps create a thermal barrier underfoot, helping to block cold and regulate temperature. Theyre certified to temperatures as low as -40C/-40F and feature oil and slip resistant all-weather TPU outsoles with deep lugs to help add traction for trekking through mud and snow. Theres a breathable and moisture-wicking flannel lining, non-metallic shank to help with structural support, and cement construction that helps deliver flexibility and durability and flexibility.Product Detail
Asymmetrical composite safety toeNon-metallic puncture resistant plate24/7+ Comfort Platform for springy, breathable & lightweight comfortOrthoLite O-Therm aerogel-infused footbed that creates a thermal barrier underfoot which blocks cold & maintains footwear temperature regulationLightweight Hover Spring foam midsole provides industry leading underfoot comfort, flexibility, and durabilityOil and slip resistant All-weather TPU outsole with deep lugs for mud and snow tractionPremium full-grain waterproof leather with waterproof membrane600 grams of insulation for cold-weather comfort and heat retentionCertified to -40C/-40FExoSpine technology to provide lasting structure, durability, and improved heel fitCrampon and microspike compatible TPU shellBreathable and moisture-wicking flannel liningNon-metallic shank for structural supportCement construction for flexibility and durability and flexibilityWeight of a Men’s size 9 is 2.32 lbs, or 1051.43 grams
