FlyteFoam® Blast cushioning puts springy returned energy under every stride in a running shoe engineered to turn every heel strike into an explosive toe-off. Fewer layers mean less weight in the foot-hugging upper to keep you comfortable whether you're sprinting or racking up the miles. Energy return: transforms every heel strike into responsive, explosive forward movement Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfort Lace-up style Removable cushioned insole allows for custom orthotics FlyteFoam Blast midsole puts highly responsive cushioning and bounceback under every stride Textile and synthetic upper and lining/rubber and synthetic sole Imported Women's Shoes