Columbia Women's Bugaboot Plus II XTM Omni-Heat Winter Boot 100% Leather Imported Rubber sole Shaft measures approximately 8" from arch Seam-sealed waterproof construction Thermal reflective lining 600g OmniHeat insulation Dual-compound OmniGrip rubber tread Columbia gears you up for the big chill with their rugged, toasty Bugaboot Plus II.