The insole is made of 3 layers viscous edition on the top and two layers of pure latex foam on the bottom. Soft insoles with deodorant and cushion provides excellent walking comfort. The perforation provides air-ventilation effect. These are Unisex insoles suitable for formal and casual shoes. HOW TO USE: Remove existing insole from the shoes. Align it to the new PRO insoles.Trace the original insole at points where your new insole overlap. Cut new PRO Insoles using the trace marks. SIZE AVAILABLE: 36-44