Go Totally Hands Free™ with Skechers Hands Free Slip-ins®: Aero Spark™. This performance slip-on features streamlined interior material for reduced weight and friction, plus a premium high-performing heel counter for stability and a secure locked-in feel. It 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 energy return, and a durable Goodyear® Performance Outsole. The HYPER BURST ICE cushioning provides dual-density HYPER BURST technology for a soft and stable run. The carbon-infused H-plate delivers exceptional stability and energy return with an ultra-high stiffness-to-weight ratio. The patented Skechers Arch Fit insole system offers podiatrist-certified arch support, developed with 20 years of data and 120,000 unweighted foot scans. Skechers Hands Free Slip-ins ensure an easy fit, and the Goodyear Performance Outsole enhances traction, stability, and durability.