Mesh Rubber sole 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 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 5 from Nike.. Shipping Weight: 3 pounds (View shipping rates and policies) ASIN: B016R8399W Date first: October 16, 2015