S/LAB ULTRA is the fruit of a uniquely collaborative vision between renowned ultra runner François dHaene and Salomon. Redefining the limits of pinnacle product performance, it's the first shoe to keep performing after 10 to 15hrs of racing. A foam and plate combo carve out new territory for ultrarunning bringing previously unexplored sensations.  A unique configuration of double-layered, ultra soft Energy Foam in the midsole provides optimal and stable ultra-distance cushioning over tricky, changing trail conditions. The Profeel plate sandwiched in the midsole acts as an effective filter between your feet and the ground for long-distance protection over challenging mountain terrain. The comfortable, breathable upper has been built from durable, Kevlar-enhanced Matryx fibers that are light, quick-drying and abrasion-resistant.  Quicklace Technical Features Drop: 8 mm Lug depth: 3.5 mm Cushioning: Maximal Shoe width: Normal Terrain: Mixed terrain Weight 280 g / shoe Materials Lining: T