Superfeet Premium Green - Insoles Accessories Shoes : Green : These full length performance Superfeet Premium Green insoles will keep you on your toes and on-the-go all day long. The heel cup is deep and narrow to provide exceptional support over long distances. Deep heel cup provides extra cushioning and support for repetitive impact. Has a higher profile shape to provide better stability and support your foot for reduced stress. Utilizes a closed-cell foam construction that gives you extra cushioning for any challenge. Stability cap built into the heel gives you extra structure and stability. Closed-cell foam supports and cushions the foot for long-lasting comfort. All natural coating eliminates odor-causing bacteria. Superfeet insoles keep their shape, delivering reliable support and comfort for up to 12 months or 500 miles, whichever comes first. 100% man-made materials. Imported.