Green Premium Insoles - Superfeet - Orthotics - Shoes Inserts - Arch Support Our undisputed heavyweight champions, Superfeet GREEN insoles haven’t changed much since their design in 1977. Why? Because they work. GREEN insoles offer affordable, professional-grade orthotic support, performance and comfort for anyone who wants their footwear to fit and feel better. Fits Best In: All types of medium and high-volume footwear with removable insoles that range from running shoes to casual footwear to work or hiking boots. How It Works: Superfeet 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. Sizes: A - (Junior 13.5 - 2) B - (Junior 2.4 - 4 / Women's 4.5 - 6) C - (Men's 5.5 - 7 / Women's 6.5 - 8) D - (Men's 7.5 - 9 / Women's 8.5 - 10) E - (Men's 9.5 - 11 / Women's 10.5 - 12) F - (Men's 11.5 - 13) G - (Men's 13.5 - 15) H - (Men's 15.5 - 17) Synthetic 2" high 4" wide Manmade sole High-arched insole for maximum support Fits most roomy footwear styles with factory insoles you can remove For common foot pain, arch pain, heel pain plantar fasciitis With natural NXT anti-bacteria coating, latex-free vegan Durable construction adds comfort, support structure to shoes