ESSENTIAL STYLE AND PERFORMANCE. Women's Nike Flex Essential Training Shoe pairs a lightweight, breathable upper with a supportive platform designed for flexibility and traction in every direction. Ideal for light workouts and all-day wear, this shoe is flexible to whatever you have planned. Strategically placed mesh offers breathability. Phylite midsole/outsole provides lightweight cushioning and durability. Training-specific traction pattern allows for multidirectional movement. Skins on the heel, eyestays and forefoot provide durability and structure. Platform uses full-length, multidirectional flex grooves for enhanced natural motion for a barefoot feel. Environmentally preferred rubber pods on the heel and forefoot provide durability on a variety of surfaces. Heel pull tab allows for easy on and off.Upper - Textile, Lining and Sock - Textile, Sole - Other Materials.