Built-in protection with zero Distractions.Built for speed and designed to last, the men's Nike Dual Fusion Ballistec Advantage provides ultimate durability in a lightweight package so you can play at performance levels anytime, anywhere.*Phylon midsole delivers support and stability*Thick, 6mm outsole shelf provides tennis-specific tread*No-sew construction enhances support without irritation*Synthetic leather provides lightweight breathabilty*Men's size 10 weighs 11.5 ouncesNike