Recommended for consumers seeking all day comfort for their feet & consumers standing for long periods of time: workers students and travelers * Recommended for: Daily wear - absorbing shock to reduce foot fatigue and sore feet & For workers - acts like an anti-fatigue mat in the shoe * Best for use in: Any casual or athletic shoe * Components: Heel thickness - 8.00mm [5/16 ] Forefoot thickness - 5.00mm [3/16 ] Thickness at toe - 3.00mm [1/8 ] Material - TPR Gel Fabric - Polyester w/Silpure Antimicrobial * Instructions: 1.) Remove existing insole (some brands of shoes glue the insole to the shoe but careful removal will not damage the shoe) 2.) Insert the Spenco