Here's what I found a while back when seeking info about tumor necrosis. 1) Necrosis in the tumor means that the cancer cells in that area are dead. The pathologic finding of necrosis suggests a fast-growing cancer. This often happens because the tumor runs out of blood supply in the central portion. Without a blood supply, the tumor cells cannot live.
Football cleats also come in the removable and molded variety. Molded cleats tend to be less expensive and are often required for youth play for safety reasons. Detachable football cleats are made of rubber, hard plastic or metal and come in a variety of lengths for use on different playing surfaces.
Nike Vapor Untouchable is designed for skill players with variable cleat height for quick change of direction. The carbon fiber plate adds stability, and the lightweight, flyknit upper provides excellent fit. lot of research goes into creating a Nike football cleat, and it shows in the final product. Football puts stress on a pair of cleats, so they have to be tough and provide excellent gripping power.