Timberland PRO Men's 6" Resistor Composite-Toe Waterproof Insulated Work Boot 100% Leather and textile Synthetic sole Shaft measures approximately 6" from arch Heel measures approximately 1.75" Work boot featuring dual-purpose top hardware for easy lacing and padded tongue/collar 200 grams of insulation for added warmth Dual-density Anti-Fatigue technology absorbs shock Nylong shock-diffusion plate for support and torsional rigidity Cold formula thermoplastic urethane (TPU) outsole features deep lugs for traction and is slip, oil and abrasion resistant