Push your performance further with the New Balance FuelCore Sonic Viz Pack Men's Speed Shoes in Black. A midfoot canopy is anchored by the innovative lace-free BOA® Fit System, giving you a secure fit that helps deliver a strong connection to the shoe platform. And the full-length REVlite midsole delivers lightweight cushioning that keeps you comfortable as you break speed records. Synthetic/mesh upper is durable and flexible. Animal-inspired reflective detail at the heel offers unexpected flash of style as you fly by the competition.