The lightest sprint spike features a revamped plate for enhanced stiffness. An updated woven upper provides security and containment with increased breathability. A new plate with computationally designed hexagons delivers stiffness in key areas to maintain speed. The lightweight racing shoelace includes notches and slight stretch for a secure fit. revamped plate updated woven upper computationally designed hexagons lightweight racing shoelace fits small, recommend ordering a half size up
