A proven trail runner with an incredible fit and improved durability, Salomon's iconic XA Pro 3D delivers ultimate stability, confident grip, impact protection, and motion control on varied terrain.. . 3D Advanced Chassis maximizes security, motion control, energy management, and push through protection for a high performance, stable, and responsive ride. Nonmarking running Contagrip HT and HA rubber outsole for traction, grip, and durability on mixed terrain. Dynamic outsole with forefoot flex grooves and self cleaning, multidirectional lugs with defined toe off and braking lugs for race proven performance. Dual density EVA midsole with compressed and injected EVA for cushioning, stability, motion control, and support. Quick drying breathable mesh upper. Rubber toe cap and mud guard for protection and durability. Sensifit upper panels wrap the foot with a precise and secure fit. Endofit internal fit sleeves deliver seamless comfort and intuitive feedback. Shaped OrthoLite foam footbed with molded EVA heel cup for added cushioning and anatomical support helps keep feet cool and dry and resists odor. Quicklace system for easy onoff strong one pull tightening system for secure, customized fit. Lace pocket provides easy storage for lace system. Asymmetrical lacing for a customized fit and quick adjustment. Tongue cover to keep debris out. Midsole height: Heel: 21 mm Forefoot: 11 mm.