Korkers Black/Silver OmniTrax Triple Threat Aluminum Bar SolesKorkers OmniTrax Triple Threat Aluminum Bar Sole Korkers OmniTrax Triple Threat Aluminum Bar Sole provides solid, edge to edge aluminum coverage that morphs to surrounding geology for positive grip. 100% customizable sole gives you endless spike, bar and hex disc configurations for the ultimate in options Sticky rubber outsole with over molded stainless steel receptacles accept any combination of Triple Threat spikes, bars, or hex disks