From the website: FIT: Tuned for Comfort More spacious toe box accommodates wider feet, with a lightweight upper and plush cushioning that prioritize comfort. FEEL: Powerful Support Full-length chassis provides superior arch support for better control during pivoting motions and generating power. FUNCTION: Tennis - Hard Court / Clay Court High-density rubber outsole with drag pad provides durability and abrasion resistance on all playing surfaces. These are for any court sport- tennis, pickleball, ping pong, etc. Brand new In the box.