Helly Tech® Waterproof Membrane. Molded TPU toe bumper. Molded heel overlay. Reflective Details. BOA® Fit System – M4. Moisture wicking and breathable air mesh lining made of 50% recycled content. Composite safety toe. Metal free nail penetration protection. Wide fit. Ortholite® X25 Hybrid Footbed - lightweight, breathable and provides long lasting cushioning and moisture management while using 20% eco-content in the formulation. Lightweight and cushioning. High Rebound EVA midsole with nitrile Rubber Outsole. Slip Resistant. Abrasion Resistant. Fuel and oil resistant. Non-marking.