Go Totally Hands Free™ Advance your strides in groundbreaking runners' comfort with Skechers Hands Free Slip-ins®: Aero Spark™. Designed with our exclusive Heel Pillow™, this innovative performance slip-on has been granted the APMA Seal of Acceptance and is made for versatile daily running. Featuring a breathable engineered mesh upper with adjustable laces, 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.