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XLT Carbon Fiber Spring Plate Graphite Insole | MyFootShop.com
Thrive® X-Glide Rigid Carbon Fiber Insoles | Carbon-Fiber Shoe Insert from $49.99 at Thrive Orthopedics
Amazon.com: Carbon Fiber Insoles 2 Pcs, 1mm Full Length Rigid Shoe Inserts for Sports, Stiffener Insole for Men Women Foot Support by V.Step, Black, 255MM : Health & Household