The insoles are made up of high quality gel that lasts long. The top is made of soft velour fabric provides excellent comfort and massaging effect on every step. Gel cushioning cells support walking and reduce friction between feet & shoes. It Absorbs shock prevents slipping and sliding. Keeps feet dry. Suitable for FORMAL & 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: CUTTOSIZE: 36-40 (W) 40-44 (M)