Synthetic-And-Mesh Rubber sole Women's Nike Training Shoes Injected units sole Pylon midsole provides lightweight cushioning Engineered multidirectional flex grooves designed to enhance flexibility specific to training Phylon outsole combined with minimal rubber pods provides traction See more product details Looking good for workouts has never felt so right! Get the most out of that killer sweat session, with a little sweetness on your feet in the Flex Trainer 4 from Nike.. Shipping Information: View shipping rates and policies ASIN: B00K98E5YA Date first: May 10, 2014