Ideal for high arches, flat feet and arch pain, this product is a unique self-molding dual-layer orthotic. The bottom layer acts like a firm supporting shock absorber. It supports the arch and stabilizes the heel while cushioning impact from walking or running. The secret is in the top layer. The upper layer is advanced Vita-Foam MT that "learns the shape of your foot" as you walk. Within an hour, the orthotic creates a custom fit to your feet. Most importantly, the Smart Arch is ultra-light to prevent fatigue unlike other heavy inserts. Automatically adjusts to support high or low arches For heel spurs, plantar fasciitis Fits all Made in Taiwan