Pure Stride Dress Orthotics are only dispensed by medical professionals. They provide quick pain relief in the arch, heel, and metatarsals. Pure Stride Dress Orthotics are made up of 3 layers to ensure comfort. The first layer is an antimicrobial mesh, the second is a high-rebound EVA, and the third is a plastic shell. The metatarsal area has a blue EVA plug for added comfort. Sold in pairs.