The Skechers GOrun Razor + is a versatile, lightweight fast trainer and race day shoe. Featuring a minimal mono mesh and polyester upper plus highly-resilient HYPER BURST cushioning with a durable Goodyear Performance Outsole. HYPER BURST cushioning midsole offers a highly responsive and ultra-lightweight running experience. This innovative resilient foam is created using a Super Critical process. Goodyear Performance Outsole delivers enhanced traction, stability, and durability. Skechers M-Stri