MemoryFoamToe™ Post eliminates break-in period for instant comfort. Soft, memory foam-lined straps wick away moisture and ensure a snug, comfy fit. Buttery-soft leather footbeds slip on and off with ease. Soft-squeeze foam insoles ensure a custom fit that molds to the foot. Boat-safe outsoles provide extra grip with 100% rubber traction. Additional ankle strap on sizes K4/5 to K8/9.