<ul><li>MODERATE STIFFENING SOME FLEXIBILITY Carbon Fiber Insert, SOLD AS A SINGLE PIECE, NOT AS A PAIR; HARD, FLAT, CARBON FIBER INSERT can be used in EITHER RIGHT OR LEFT SHOE BY SIMPLY TURNING PRODUCT OVER; Best for BIG TOE injuries that need more rigidity such as turf toe, big toe fractures, hallux rigidus, hallux limitus, best to use when having pain during or after activity.</li><li>INSERT MUST BE PLACED DIRECTLY UNDER THE REMOVABLE SHOE INSOLE OR UNDER ORTHOTIC; Our inserts were designed by an Athletic Trainer that is a Healthcare provider, engineered by a Mechanical Engineer, Prescribed by sports orthopedic surgeons, sports medicine physicians, podiatrists, chiropractors, athletic trainers, and physical therapists; Used by professional, college, high school, and recreational athletes, as well as active people such as hikers, walkers, and laborers.</li><li>FOR PROPER FIT CARBON FIBER INSERT MUST not be longer than your foot, measure foot standing; If in between sizes or half sizes round down to smaller size; If necessary, measure in inches and use the ruler in the images to determine the appropriate size in centimeters; to fit the stiff carbon fiber in the shoe, the insert should be - inch (approximately 1 cm) SHORTER than removable soft insert in shoe</li><li>RTP Carbon Fiber Inserts are MADE IN USA. A TEXTURED surface on BOTH sides prevents slipping in shoe, Carbon fiber is used because of its light weight, stiffness, durability, allowing a very thin insert to stiffen the shoe protecting the foot. Not all injuries, pain levels, activity levels, or shoes are the same. 3 levels of stiffness for foot injuries: SEMI-RIGID stiff but flexible, RIGID stiffer but some flex, ARTHRITIC very stiff minimal flex. IF IN DOUBT GO DOWN TO MOST FLEXIBLE INSERT</li><li>SHOE MUST HAVE REMOVABLE INSOLE; Works best with big toe injuries that require added support in tighter fitting shoes as cleats and some casual /dress shoes without making the shoe too tight when the full insert isn't needed.</li></ul><br><br>

Carbon Fiber Modified Morton\'s Extension Rigid Shoe Insert 26 cm Men\'s Size 9 or Women\'s Size 10 Made in The USA