A slight update on the Influence 2 is Ryka’s Influence 2.5, providing ladies with a fitness shoe that will work as hard as they do. Taking on high-intensity fitness and aerobics classes won’t be a problem with the supremely durable outsole and the lightweight, breathable mesh upper. Bright colors give ladies a trendy and fun look to show off at the gym. Upper: Breathable mesh provides cool flexibility. Padded heel collar enhances comfort. No-sew overlays offer lightweight support. Independent lacing system allows for a custom fit and lateral support.Midsole: Flex-Foil and Direct-Fuse layers provide comfortable support. RE-ZORB® sockliner delivers impact protection and shock absorption. N-Gage high rebound foam at the heel and forefoot. Medial post adds stability. Outsole: Rubber ergonomic outsole with Ryka Pivot Points for easy movements on the gym floor.