The 6-spike plate and internal shank are engineered to provide the rigidity you need in a short distance spike shoe, while REVlite in the midsole and rubber outsole deliver comfort and protection that won't slow you down. Take lighter and faster to a whole new level, straight out of the starting block. The New Balance Men's SD100v2 track spike is made for speed with a sleek, molded midsole, and streamlined bootie construction upper for light but aggressive support.