Design: Midfoot Flymesh hugs the midfoot to keep you contained Newly implemented Flyknit collar offers plush support while helping reduce the weight of the shoe to increase lightweight agility Flyknit gives you a flexible, comfortable material that moves and contorts to your foot to complement the Flymesh In-Shoe Comfort: Foam in the midsole for a balance of cloud-like cushioning and stability Durability & Traction: Thin, durable rubber outsole provides on-court traction