OMNITRAX 3.0: Korkers proprietary interchangeable sole technology allows for customized traction on the fly. Compatible with every pair of Korkers OmniTrax 3.1 boots. TRACTION: Aggressive rubber lug sole with 31 replaceable carbide-tipped studs per pair. CUSTOMIZABLE: The Triple Threat Sole platform is a sticky rubber outsole with over-molded stainless-steel receptacles which accept any combination of Triple Threat spikes, bars, or hex disks. Includes 31 pre-installed carbide-tipped studs that bite into smooth, slick surfaces ensuring long-lasting, positive traction in treacherous terrain. Sport type: Fishing