These high-performance winter boots have a Primaloft® 400 g/m² thermal insulating lining and a Vibram® ice grip sole. The sole is resistant up to 300 °C short term hot contact and made out of a rubber compound, developed by Vibram® to increase stability and grip on ice. They feature our Helly Tech® Performance membrane, for a fully waterproof and breathable experience and are certified for cold insulation. They come with light-weight composite toe protection and Lenzi® L-protection® nail penetration sole. They have also equipped with our HellyWear protection scuff-resistant counter and toe reinforcement.