Aero Comfort Technology Advance your strides in groundbreaking runners' comfort with Skechers Aero Spark. This innovative performance style lace-up has been granted the APMA Seal of Acceptance and is made for versatile daily running. Featuring a lace-up breathable engineered mesh upper with our removable Arch Fit insole system, HYPER BURST ICE cushioning with HYPER ARC technology, a carbon-infused H-plate for next-level energy return, plus a durable Goodyear Performance Outsole.