A light and responsive racing shoe might be just what you need to snag that qualifying time. Lace up the Type A6 if you're ready to find out. OVERVIEW Improved lightweight FLEXFILM overlays for better support Water drainage ports to quickly remove water SSL EVA midsole for extra comfort XT-900 traction outsole with IBR+ Awarded: Go Outside Brazil Best Competition Shoe, Fall 2014 SPECS Surface: Road, Track, Cross Country Offset: 4mm Heel Stack Height: 16mm Forefoot Stack Height: 12mm