Versatile and resistant high performance alpine boot. Single piece Perwanger leather upper with Hydrobloc treatment to improve waterproofness and Cordura inserts. Elastic gaiter for optimal protection. GORE-TEX Insulated Comfort lining to guarantee perfect insulation and waterproofness to the alpinist. Double density PU wedge for cushioning and lightweight. New Vibram Penia outsole with deep lugs for great grip and Rubber Rand System to better protect from scratches and rocks. Automatic crampons compatible.