* Footprint Kingfoam Orthotic Elite Classic insoles are a thicker version of the Kingfoam Orthotic, giving more performance and comfort * With a bright green foam bottom layer and a woven grey camo top layer * Adapting to each step utilising Footprint's formula (the same that is used by NASA ), reforms to your foot with each foot placement, giving you custom protection with each step * Absorbs 90% of shock energy with shock absorption technology * 7mm heel, - 5mm toe thickness * Dual internal core with custom arch support, able to mould to the most accurate fit * Nano Technology Energy Absorption is flexible when moving underfoot, but momentarily freezes under impact before transferring the energy keeping your protected * Body heat-activated, moulding begins once the insole warms up to your feet, or speed up the process with a home heat moulding method, be sure to consult the packaging or the Footprint website for instructions * Trim down to fit your shoe size * Sizing: For a half-size take a half size up for example for a 9.5 UK, order a 10 UK * Fitting: It can take up to 5 days to break in the arch if you have flat feet. Although it can feel awkward at first if you have never had orthotics, once they fully break in, you'll never want to go back to flat insoles