Design: Synthetic textile upper locks down your foot while offering targeted support Ultra-lightweight sprint shoes made in part with recycled content This product features at least 20% recycled materials In-Shoe Comfort: Lightstrike Pro underfoot to give you super-light cushioning plus energy-return for next-level speed Lightstrike in the midsole provides super light cushioning to keep you fast through the finish Traction & Durability: The full-length spike plate with six pins delivers optimal bite to get you to the finish line fast Additional Details: Weight: 6.87 oz (Size 10.5) Designed for sprint events