New in box.
Named best debut by Runner's World Magazine
Abrasion-resistant, four-way stretch AirMesh uppers for comfort and durability
Extremely lightweight design results in reduced fatigue
Dynamic last for an ergonomic, precise fit
MorphoDynamic injection-molded EVA midsole for comfort, durability and greater efficiency in the gait cycle
Moisture-wicking mesh lining
External toe cap
Durable MorphDynamic FriXion XF outsole for excellent traction