The Phantom Tech by Scarpa is a technical high-altitude boot for demanding tours in ice & snow. The boot is encased in a waterproof, elastic gaiters with a breathable H-Dry membrane and water-repellent zip. The rest of the upper material is also waterproof and PrimaLoft insulation keeps your feet warm. Polyurethane in varying densities is used as a damping layer, while a removable, insulating insole also provides warmth. The Vibram sole with different zones and the Mont rubber compound ensures the right grip - or the crampons, which can of course be easily attached.