Design: Woven mesh upper made from 100% recycled polyester Internal half-bootie construction for forefoot lockdown 3/4 length Speedboard(R) made from a nylon blend for improved fit and stability Created for tennis but with the functionality to take on multiple sports Designed to play on court and be styled off of it In-Shoe Comfort: Hidden CloudTec(R) cushioning for a plush, bouncy ride Helion(TM) superfoam midsole for all-day comfort Durability & Traction: Large TPU toe cap for added durability Medial overlays protect against tearing during slides Rubber outsole with open herringbone tread for traction on multiple surfaces Additional Details: Weight: 398g / 14 oz Heel to toe drop: 12mm Recycled content: Total recycled content: about 27% / Recycled polyester: about 98%