Korkers designed the OmniTrax Sole System to allow you to change the soles of your boots to provide traction in a variety of conditions.
The StormJack is a cold weather hiker that comes with two soles: a rubber lug and a studded rubber lug with carbide studs. 100% waterproof construction includes waterproof/breathable bootie, and waterproof leathers, webbing and stitching to keep boot interior perfectly dry, and includes Thinsulate insulation in toe and tongue.
Molded heel cap provides support and protection without sacrificing flexibility. Approximately 2lbs 10oz./pair. Ten different soles are offered in the OmniTrax System, from felt to carbide studs. Many of these are wading specific and go with Korkers Fishing series of boots and waders. Check out the entire line at korkers.com.