The GOrun Razor + Hyper delivers the same responsive and resilient performance as the GOrun Razor 3 Hyper with added comfort and traction features ideal for daily runs. The versatile style's mono mesh and polyester upper retains the lock down fit of the GOrun Razor 3 Hyper but adds a touch of give and softness and it retains the Hyper Burst midsole complemented by a Goodyear rubber outsole with an additional piece of rubber under the medial mid-foot for enhanced durability and traction.