ARCTIC // USF87991 Boot color Black 3E 8 ” -60 Degres / External Rigid Metguard Comfort and protection at the ankle with the Unik Ankle Lock system Nitirile and Tecno Fibre 400gr Thinsulate / Artico lining./ Felt Removable Bootie insulation, Toe Cap and sole of Composite. Vibram spike EVA lightweight outsole Rubber Fire & Ice Fusion process Vibram Bumper toe Canadian manufacturing. Certified: CSA standard Z-195-14