Core Slim provides dynamic support to the most important areas of your feet without taking up unnecessary space in your shoes. The ergonomically shaped footbed delivers stability and lasting comfort. Custom arch support helps reduce strain and fatigue in your feet and calves. A cupped heel keeps your foot securely in place, while the soft heel cushion effectively absorbs shocks. Forefoot support with a metatarsal pad eases pressure at the front of the foot. Fits most shoes – perfect for anyone looking for maximum support in a slim, flexible insole.