For those with low to neutral arches, the Sof Sole AIRR Orthotic Insole is the perfect addition to a smooth ride! Sold as a one-pair pack. Slip-on construction. COOL-MAX moisture-wicking upper. Encapsulated SKYDEX air chamber in heel and arch. Polymer gel in forefoot helps with shock absorption. Polyurethane footbed offers all-day support. Nylon plate helps with foot alignment. Imported.