First of all, the best is customized insoles, but also the most expensive for they are customized according to one's own foot type. If you choose the popular insoles in the market, you should consider the following functions: correction, support, shock relief, anti-skid, permeability, durability correction, etc. Durability correction is to say, your body will go back to a healthy condition and the situation that spiral legs or foot inside and outside, and so on will not appear. Because the foot sides and arch can reduce wear and shock relief with support, you can choose soft type or elastic type according to yours own needs. Weight and foot strength will have an impact on the shock mitigation effect, you need to choose the most suitable for yourself, but not the most expensive, the best. Not suitable for your own cushioning will bring strain and skid-proof body bones or joints. See whether the insoles slide in the shoes, whether the foot slides, whether breathable, and for those with sweaty feet, whether the Sports insoles
easy to wet and whether durable are very important.