Mid-height, oil and acid resistant Premium Polyurethane (PU) leather and nylon upper, laces and stitching; Rust-resistant easy pull eyelets for secure fit; Pull loop at the back for ease of entry; Composite Safety Toe and Plate; Oil and acid resistant Polyurethane (PU) base and rubber outsole; Self-cleaning, multi-directional lug tread outsole design; 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; Vapourized Aluminum Membrane for energy reflection and heat regulation