Includes Plain Felt and Kling-On Sticky Rubber Soles * OmniTrax 3.0 Interchangeable Sole System adapts your traction to meet the performance needs of each river system * Low profile Boa speed lacing system for quick on/off and custom fit; significantly faster than previous system * Waterproof materials reduce water absorption, thereby reducing overall weight and dry faster helping to prevent the spread of invasive species * Integrated midsole drainage ports allow water to drain quickly keeping boots lighter