Superfeet Green - All-Purpose Support High Arch Superfeet All-Purpose Support High Arch insoles offer professional-grade orthotic support for anyone who wants their footwear to fit and feel better. An excellent choice for those with high arches, these original shoe inserts are an affordable, effective alternative to custom orthotics. Designed to replace the removable liner in roomy to moderate-fitting footwear. Trim to fit your shoe size. Superfeet Green Features: DEEP HEEL CUP: Deep heel cup works with your body&';s natural cushioning for maximum support HIGH ARCH SUPERFEET SHAPE: High arch orthotic support helps stabilize the foot, reducing stress on feet, ankles, knees, and back DURABLE CONSTRUCTION: Superfeet insoles keep their shape, delivering reliable support and comfort for up to 12 months or 500 miles, whichever comes first MOISTUREWICK(TM): Helps reduce odors and keeps feet fresh STABILIZER CAP: Acts as the base of the insole that supports the rearfoot and provides structure and stability to the foam layer HIGH-DENSITY FOAM: Closed-cell foam provides a firm foundation to support the foot for long-lasting comfort APMA APPROVED: Closed-cell foam provides a firm foundation to support the foot for long-lasting comfort.