Women's Skechers Go 172205 Aero Spark Slip In Running Shoes The Skechers Slip-ins: Aero Spark is a women's running trainer built for daily miles and easy on-off wear. It combines a breathable engineered mesh upper with adjustable laces, runner-focused Slip-ins construction, and a low-top silhouette for a secure, streamlined fit. Performance cushioning, arch support, and a durable rubber outsole help support comfort and traction through regular training and everyday movement.