Boost your performance to the max with this boot entirely designed for speed. Engineered Fit Last Neo Engineered Fit Woven: Upper material that stretches moderately laterally but, not along the length of the foot. Engineered Fit Flame: Optimal pattern for fitting and shoe making, reducing lateral shifting during play. Engineered Fit Sponge: Lightweight sponge with minimum required mass to enhance fit. I' Triangle Studs: Provide grip to enable vertical speed and fine movements. ZeroGlide: ZeroGlide removable sockliner for increased foot hold and maximum comfort.