Built for 8,000-meter peaks and Arctic expeditions – stay warm, protected and focused on the terrain in the Alti Mitts. Constructed with breathable and waterproof GORE-TEX, highloft Moonlite Pile fleece, PrimaLoft Gold Insulation, removable liners layer on protection while durable water-repellant Pittards leather palms and Kevlar stitching withstand brutal alpine punishment.