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. HYPER BURST ICE cushioning features dual-density HYPER BURST technology for a soft and stable run Carbon-infused H-plate delivers exceptional stability and energy return with an ultra-high stiffness-to-weight ratio Patented Skechers Arch Fit insole system with podiatrist-certified arch support, developed with 20 years of data and 120,000 unweighted foot scans Skechers Hands Free Slip-ins for an easy fit Goodyear Performance Outsole delivers enhanced traction, stability, and durability.