Flywire 3.0 technology provides a breathable foot-to-upper fit that locks the foot down and reduces movement inside the shoe. Lightweight Phylon™ midsole with responsive forefoot Nike Zoom™ unit offers impact protection and comfort. Lateral outrigger and TPU heel counter add sturdy support. Solid rubber outsole with modified pattern gives durable on-court traction. Wt. 9.5 oz.