The Scarpa Phantom 6000 HD is a double mountaineering boot designed for peaks above 6000 meters. It features a gaiter made from Schoeller, Kevlar, and Cordura to resist debris, an HDry membrane, and a Flexseal zipper to fully seal out moisture. The removable Primaloft Black and Gold inner boot insulates against cold. A Dyneema quick-lace system ensures a secure fit under crampons. The Vibram Precision Tech Roll sole provides grip on firm snow and technical terrain. Its carbon fiber and aerogel footbed insulates and reduces pack weight. Compatible with automatic and semi-automatic crampons.