Mid-height, oil and acid resistant leather upper, laces and stitching. Steel Safety Toe and Plate. Oarprene oil and acid resistant base. Self-cleaning outsole for convenience. Removable Comfort-Fit multi-layer inner boot system featuring. Thermaplush soft, next-to-foot wicking layer for warmth. Form-fitting B-Tek. Foam lining for comfort. B-Tek Heat lightweight, 4-channel hollow-fibre insulation for high-loft breathability in a broad range of temperatures. Hydromax layering for improved moisture management. Vapourized Aluminum Membrane for energy reflection and heat regulation. PolyWool polyester wool blend for breathable warmth. DiamondNet insulation for wind-resistant protection with a lightweight feel.