Highly-breathable closed mesh upperLightweight ergonomic support strappingMetatarsal stretch panels for foot adjustmentReflective logo and heel tabSingle-density, high-rebound EVASecond generation Action/ReactionTM technology midfoot and heelMidfoot support chassis for added stabilityBeveled heel and toeMet-flex enhanced midfoot flexibilityAccommodates most orthoticsDurable high-traction actuator lugsIncreased toe springPronounced heel rockerHigh-wear carbon rubber with traction treadHeel-to-toe drop 4.5mmNewton Running