Racing shoe with the versatility for tempo and race day. Air mesh upper is lightweight and breathable. Upper is enhanced with supportive overlays and with the addition of a Dri-Lex lining to manage moisture. Dual-density, SSL EVA midsole offers superior rebound and durability. Added post offers just the right amount of midstance support. XT 900 outsole configuration provides traction and durability on the surfaces beneath your feet. Durable outsole constructed from rubber.