On or off the track, channel race-day focus in the Mc LAREN RACING Voltra Sneakers. They're engineered for the pulse of motorsport culture, with a bold collar that feels secure and 10CELL heel tech for comfortable cushioning. Designed for: Lifestyle by *** Width: Regular Closure: Laces Heel type: Flat 10CELL in the heel integrates into the tooling for comfort and stability for men and women.