Premium quality 2.2 mm oiled leather suited to all weather conditions. Internal stretch sock membrane contours the foot for maximum comfort, warmth and breathable. Fitted with our anti-microbial CORKfit® footbed, our traditional cork latex footbed designed to promote a healthy posture. Upper is stitched directly to the injected TPU outsole creating a unique design using minimal glues. VIBRAM® outsole with 5mm lug design ideal for all terrain.