Ryka Moxie : Ryka Moxie aerobic and fitness shoes are designed with N2-DM shock absorbing technology which delivers increased comfort as you land. You'll be prepared for your next fitness class wearing these low-profile, stable and cushioned shoes. The lightweight upper delivers plenty access to agile and multi-directional movement, allowing you to get the most out of your workout. Upper: Mesh offers breathable flexibility. Synthetic overlays provide lightweight support. Padded tongue and heel collar enhance comfort. Lace-up front offers an adjustable fit. External heel loop makes the shoes easier to pull on. Midsole: Textile lining creates a smooth foot environment. Precise-Return™ insole delivers excellent cushion. I.H.G. molded heel reinforcement provides extended support. Dual foam midsole with N-Gage EVA cushioning. Removable insole. Outsole: Rubber traction outsole provides exceptional grip. Forefoot pivot point allows more agile mobility.