✓ BUY WITH CONFIENCE - Give the gift of carbon insole to your family and friends! Enhance their active lifestyle and enjoyment of sports. If for any reason, you don't satisfy with this morton's Extension insole, rest assured, we've got you covered with one year money back. Our goal is to ensure your happiness and improve your overall well-being. ✓ WHY CHOOSE CARBON FIBER INSOLE - Known as "The King of Materials", carbon fiber, also referred to as graphite fiber, is a lightweight, strong, and rigid material that is five times stronger than steel. Widely recognized for its potential to replace steel, it is extensively used in specialized high-performance products such as aerospace components, racecars, and sporting equipment. ✓ PERFECT FIT- ARRIS carbon fiber foot plate is sold as SINGLE PIECE, not a pair. For proper fit,the rigid insoles must be ¼ - ½ inch shorter than removable insert in shoe to ensure that the carbon shoe insert does not exceed the length of your current insole. If in between sizes or half sizes round down to smaller size. NB: Please use this stiff carbon fiber shoe insert below your original removable shoe insole or under orthotic. ✓ PURPOSE OF USAGE- The carbon insole was designed to allow minimized bending with optimized stability, reduces flexibility and decreases the range of foot motion, arthritis shoe insert stiffens the insole enough to keep your toes from over-extending, help reduce foot pain and foot recovery. Suitable for hallux rigidus, limitus, turf toe, toot tractures, arthritis, morton’s toe treatments. Also it can be used as Post Op Shoe Alternative. ✓ PREMIUM QUALITY CARBON FIBER SHOE INSOLE - The ARRIS rigid shoe insert is 1.3 mm thick, utilize aerospace-grade carbon fiber weave to produce the strongest while lightest footplate. The turf toe plate can be used in different athletic shoes like sneakers, hiking boots, baseball, tennis, golf, football, or basketball shoes. The carbon fiber insole for men and women can be flipped over to fit the right or left shoe.