Combining the newest styles of today, the Brooks Revel keeps things light and fast for neutral runners. This attractive shoe features a soft, knit upper material thats both trendy and super comfortable. Youll feel good about heading out with friends after your run in these fashionable yet functional running shoes. Upper: Engineered flat knit upper material with internal booty is adaptive, breathable, and stylish. Stretch saddle wraps securely around the midfoot. Midsole: BioMoGo DNA cushioning material provides a customized ride for runners of all sizes and speeds. Outsole: Heel Segmented Crash Pad provides cushion and smooth heel-to-toe transitions, maximizing the efficiency of every stride. HPR Plus is a higher durability, abrasion-resistant rubber outsole compound for increased traction and outsole durability.