Product Information Durable and breathable Ripstop nylon made from recycled PET bottles, with high abrasion resistance INSITE Contoura PU foam footbed with dynamic heel cup and podiatrist-designed arch support 1.5 mm composite shank for torsional rigidity and support whilst remaining lightweight. MICHELIN outsole featuring WOC compound for maximum grip and durability Durable, rustproof hardware High performance rubber compound Superior grip on wet & dry surfaces Flex grooves provide adaptability on different terrains and flexibility Side slopes for lug support YKK side zip for easy access Padded collar for added comfort Lightweight composite toe-cap