CoFlex Unna Boot with Calamine: A 2-step level of comfort and healing unlike any other Unna boot on the market! Step 1 is an Unna boot foam comfort roll with Calamine. Step 2 is a cohesive compression bandage that is moisture resistant and provides continuous restorative compression. Kit includes nylon stocking to use over the top of system for ease in movement . 50% MORE active ingredients per roll than the current leading brand! Absorbs 20x’s its dry weight compared to competitor’s Unna boots that absorb 2.7x’s its dry weight. Clean – no mess to clean up. No identation/skin breakdown.