Classic Cat product and a hybrid design: tough classic work inspired styling combined with modern comfort. Full Grain Leather Soft, breathable nylon mesh lining Moulded PU foam footbed for underfoot comfort Soft, breathable nylon mesh sock lining with CLEANSPORT NXT pro-biotic odour control Durable and lightweight EVA midsole. A new and improved version of the lightweight and flexible Trey. Fully kitted out with a new outsole for improved durability and traction and a contoured sockliner for improved comfort.