Black/Portabella/Pewter Sneakers EVA foam midsole Orthalite insole >Agile Chasis System Mesh and textile lining Padded collar EndoFit for snug fit Quicklace lacing system w/ pocket Abrasion-resistant synthetic/mesh uppers SKU: L47582400 Originally launched in 2013, the XT-6 is the preferred footwear of world-class athletes for ultra-distance races under harsh conditions. It now returns with updated colors and materials, but the same level of cushioning, durability and descent-control.