SnowTrac Winter Rubber Lug sole grips equally well in wet or dry conditions. Perfect for trail adventures in winter conditions or situations requiring transitions between indoors and outdoors. Traction Rubber Lug sole grips equally well in wet or dry conditions.Intended use perfect for trail adventures in winter conditions or situations requiring transitions between indoors and outdoors.Fits any Korkers boot or shoe with interchangable solesSoles easily snap into place even while standingNatural walking motion locks outsole into place