Rubber sole
Flyknit upper offers support that moves in all directions
Flywire cables lock your foot down to keep you even more supported
Dual-density cushioning allows your foot to spread throughout the shoe with even cushioning from heel to toe
Free outsole is incredibly flexible, lightweight, and has reliable traction
The revolutionary Free outsole got paired with dual-density cushioning to create a training shoe that allows you to go harder than ever before..
Nike Men's Free Tr Force Flyknit Black/White/Volt Training Shoe 7.5 Men US - 6GLOMDUIZ