Timberland PRO Men's Hyperion 6" Comp Toe Work Boot 100% Synthetic Imported Rubber sole Shaft measures approximately 5" from arch Heel measures approximately 2.5" Athletic-style work boot in premium leather with ghille hiker laces and tonal stitching;Waterproof membrane;Composite safety toe on TiTAN extra large last;Thermolite 400 gram insulation for warmth without bulk;Dual-density dynamic anti-fatigue technology;Enhanced moisture management;Vibram outsole with oil-, slip-, and abrasion-resistant traction