Strive Active Replacement Orthotic Insoles. The Strive active insole allows you to get the Strive comfort and support in shoes other than Strive, this orthotic insole is contoured to fit the natural shape of the foot providing lasting support and comfort. Recommended by Podiatrists, these orthotic insoles can help relieve common aches and pains such as plantar fasciitis, fallen arches, ball of foot pain, shin splints, knee pain and lower back pain. For use in other shoes, the original insole will need to be removed and replaced with the Strive active insole. These insoles feature a shock absorbing top cover and a textile footbed cover