Engineered to dominate the most challenging trails, this hardcore running shoe puts heel-to-toe stability and grippy, all-direction traction under every stride. A foot-hugging inner sleeve and breathable, abrasion-resistant upper keep you moving through rough terrain, while responsive cushioning transforms every impact into powerful energy to propel you forward. Trail: provides superior stability and traction on hills, uneven surfaces and changing terrain Stability: helps maintain comfortable foot alignment with targeted cushioning and support Quicklace® closure offers one-pull tightening SensiFit™ + EndoFit™ construction cradles your foot from the laces to sole for secure, customized comfort Removable OrthoLite® insole allows for custom orthotics Agile Chassis System (ACS) maintains heel-to-toe stability on distance runs EnergyCell™+ high-rebound midsole fuses durable cushioning with exceptional energy return Synthetic and textile upper and lining/rubber and synthetic sole Imported