Sorbothane Single Strike Footware InsolesFOCUSED FORCE PROTECTIONSorbothane\'s unique viscoelastic material enhances the human body\'s natural defence mechanism, by absorbing 94.7% of vibrations on impact.ANTIBACTERIAL TOP SHEETA new antibacterial top sheet prevents odours from forming within the shoe.LIGHTWEIGHTSingle Strike\'s slim, lightweight & ventilated design makes this insole perfect for most leisure and sports footwear.FITUse in addition to or in place of the existing insole. Single Strike conforms well to many choices of shoe with Trim-to-Fit lines for a bespoke fit.