The GREEN is Superfeet"s most popular insole and has been on the market for over 30 years * It is designed primarily for footwear with a removable insole and is the recommended choice for those seeking maximum support and shock absorption * Ideal for feet with medium to high arches * Running, walking, hiking, alpine, industrial, and military footwear * Note: Mold will only show whole sizes even though a half size may be indicated.