Sorel's GlacierTM XT boots offer optimum protection in the harshest of climates. They ensure superb resistance to wind and water with a seam-sealed PU-coated fabric and a black vulcanised-rubber shell. The warm removable ThermoPlusTM felt inner boot has an Omni-HeatTM reflective lining, and the ridged rubber soles ensure a strong grip on icy terrain.