Columbia Men's Bugaboot Plus II XTM Omni-Heat Cold Weather Boot 100% Suede, Synthetic Nylon Imported Rubber sole Shaft measures approximately 9" from arch Heel measures approximately 1.5" 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.