The Bolt is a fast looking jogger that will turn heads while providing superior cushion and comfort all day long. Oil- and slip-resistant rubber outsole. Injection-molded EVA midsole with an integrated air bag for plush comfort, cushioning, and support. Removable shock absorbing latex-free polyurethane insole with arch support and heel cupping for all day comfort. Breathable knit upper conforms to the foot for a glove-like fit. FEATURES CertaintyÂ® antimicrobial insole and interior lining to reduce odor-causing bacteria. Heel height: 1 3/4"