The 100 percent customizable sole that gives you endless spike, bar and hex disc traction configurations for the ultimate in options. Sticky rubber outsole with over-molded threaded stainless steel receptacles to accept our proprietary bolt-on traction enhancement system to mix and match your traction system. Choose one sole with its traction option, then add the components from the other two for a complete set. Carbide spikes bite into smooth, slick surfaces ensuring long-lasting, positive traction in treacherous terrain.