Avia Men's A5530M Fitness Shoes:
This modern running shoe features CONVEXUS, an arched released cavity impact system and an anatomical cradle for the ultimate in performance and comfort. Leather and synthetic mesh upper with reflective details. Removable, molded EVA sockliner. Compression molded EVA midsole with injected TPU shank and polyurethane heel unit. Solid rubber outsole with forefoot flex grooves.