Columbia Women's Liftop II Winter Boot 100% Nylon Imported Rubber sole Shaft measures approximately 5" from arch Waterproof seam sealed Critical zone insulation Combination leather, textile and webbing Techlite cushioned outsole Omni-grip high traction outsole Aggressive tread, waterproof protection, and a padded, compact design all come together nicely in this adventurous cold-weather boot.