The OmniTrax Vibram Idrogrip is a sticky rubber sole with a deep, wide lug pattern for cutting through algae and gripping terrain. It is ideal for use on land, in boats, and in less demanding wet wading conditions.OmniTrax Interchangeable Sole System gives you the ultimate flexibility and stability in every fishing situation.Soles easily snap into place even while standing.Reduces water absorption keeping them lightweight and reducing the spread of invasive species.Fits any Korkers boot or shoe with interchangable soles.Nylon plate provides support and stabilityIntegrated channels drain water through midsole