UPPER The upper is in 1.7-1.9 mm Perwanger® suede leather with characteristics of waterproofing, breathability, scratch-resistant surface and durability. It integrates a good higher protection in the ankle area for better support, protection and comfort thanks to an Autofit 3D collar in padded fabric able to stabilize the entire foot without pressure points and wrap the ankle following its movement. LACING The new Speed Lacing fastening system uses small bi-component part in lightweight steel and plastic. The fastening that extends towards the toe is divided into two sections. The lower part with eyelets allows the laces to pass through smoothly and adjust the fit in a single movement. The upper section has a lace lock that divides the fastening tension areas and hooks to progressively wrap the ankle securely. LINING GORE-TEX Duratherm protects the feet in an optimal way thanks to its highly insulating layer.PRIMALOFT® Gold Insulation ECO (100% Recycled), offers a synthetic padding and waterproof even in the most rainy condition. This combination ensure, besides the maximum protection against the cold, also traspirability, compressibility and softness.SOLE The Presa® sole TRK-02 is made of SUPERGUM W compound highly performing in winter conditions ensuring grip even in iced and snowy terrains. Pronounced heel and caps, which promote braking on descents and grip on climbs. In addition, the IKS (Interactive Kinetic System) technology, characterized by 7 shock-absorbing areas (domes), progressively and specifically support the weight of our body during our activity in the mountains.