The Volt is the lightest boot in the Concave range, making it the perfect choice for speed. This model gives you an affordable entry in to the Volt silo. With the PowerStrike technology sitting at the top of the laces, this boot is hands down the most powerful speed boot on the market. The synthetic upper gives you a snug, and close to the ball feel. The indoor soleplate has a non-marking hard wearing outsole, specifically designed for street freestyling, futsal, and indoor football. Inside the Volt is a built in sock liner, providing fantastic comfort.