The new Sidas 3 Feet Marino Low Arch insole is designed to support a foot with a low or almost flat arch to deliver more warmth, control and responsiveness to your skis. The new Marino Wool Cover adds a totally new element of warmth by adding extra insulation and odor protection. Skiers with a low or almost flat arch shape require support to neutralize your foot and ankle. Adding an aftermarket insole is the single easiest way for you to improve the warmth, comfort and performance of your ski boots. Marino Wool Cover, Best Supports Feet with High Arches, Improve Control Over Your Skis, Improves Warmth, Model Year: 2021, Product ID: 565131, Model Number: CSE3FME18_LO_02, GTIN: 3661267107689