THE INSOLE THAT LAUNCHED AN INDUSTRYOur undisputed heavyweight champions Superfeet GREEN insoles havent changed much since their design in 1977. Why? Because they work. The GREEN offer affordable professional grade orthotic support performance and comfort for anyone who wants their footwear to fit and feel better.Superfeet GREEN insoles are vegan and free of latex nickel sulfate formaldehyde and preservatives.*60 Day Comfort GuaranteeFIT PROFILEHigh profile insole with the shape that offers the widest and deepest heel cup for maximum support.FITS BEST INAll types of medium and high volume footwear with removable insoles that range from running shoes to casual footwear to work or hiking boots.LEGENDARY SUPPORT & PERFORMANCEStart fast and finish strong on the heavy duty shock absorption and legendary support that make the original Superfeet GREEN our most famous insole.The Superfeet ADD/APT SYSTEM traces back to our start as the Sports Medicine Division of the Northwest Podiatric Laboratory in 1974. ADD/APT encompasses the biomechanical science technology function and craftsmanship that adjust your footwears flat 2 dimensional midsole to your 3 dimensional foot.HOW IT WORKSSuperfeet insoles help adapt the flat midsole of your footwear to your foot. The distinct Superfeet shape helps to stabilize the foot while the deep structured heel cup and full length foam provide support and comfort for every step.1.DEEP HEEL CUPFeatures the widest and deepest heel cup that offers maximum support and can help with natural shock absorption.2.BIOMECHANICAL SHAPEHas the most shape to help stabilize and support the foot which can help reduce stress on feet ankles and knees.3.ORGANIC ODOUR CONTROL COATINGAll natural coating that eliminates odour causing bacteria.Sizing Guide: Men's 4.5 6 6.5 8 8.5 10 10.5 12 12.5 14 Ladies 2.5 4 4.5 6 6.5 8 8.5 10