Go Totally Hands Free™ Advance your strides in groundbreaking runners' comfort with Skechers Hands Free Slip-ins®: Aero Spark™. Designed with specialized Slip-ins® construction for runners, this innovative performance slip-on features streamlined interior material for reduced weight and friction, plus a premium high-performing heel counter for enhanced stability and a secure locked-in feel. Granted the APMA Seal of Acceptance, this daily trainer also boasts 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.