A revolutionary upper takes centre stage of the women's Free 5.0 TR Fit Running Shoes in light grey. The entire upper is constructed with an engineered mesh for fully breathable and ventilating properties. The shoe is designed with a low profile that offers flexibility and traction whilst providing underfoot protection and support. The midsole is made with a Phylite material for durability and reduces the shoe's weight to give a lightweight feel when running. - R.K. Women's Free 5.0 TR Fit Running Shoes from Nike Breathable engineered mesh upper with lightweight synthetic backing for ventilation and key support Flywire technology for dynamic lightweight support and lockdown in the forefoot Innersleeve wraps the heel for a supportive fit and feel Phylite midsole for lightweight durable cushioning Environmentally-preferred rubber pods in the heel and forefoot for durability on a variety of surfaces Herringbone pattern in the forefoot for multidirectional traction Weight: 340 grams (based on women's size 7)