The Footprint Game Changers Custom Orthotics insoles are recommended for people with low arches, flat feet or preexisting joint pain. This is the ultimate joint support insole with 100% satisfaction guaranteed. Gamechangers have a very firm, custom arch that is necessary to fully support the foot to keep the knees aligned. Thanks to the custom arch support, you will never feel pain from primo again. Gamechangers also provide more power, stability, endurance and balance.These insoles are also designed to work in your snowboard boots, now get the benefits you get from Footprint insoles on the mountain as well as on the concrete.