?FOOT SUPPORT?This real carbon fiber insole is 1.3mm thick and has 180 degrees flat plate design to allow minimum flexibility with optimized stability. The slim and thin stiff insole reduces the pressure between the metatarsal joints and toes and helps reduce foot pain and foot recovery. You can use them for Hallux Rigidus, Hallux Limitus, Turf Toe, Foot Fractures, and Morton’s Toe treatments. ?EXACT MATCH?Please select your insole length according to your shoe size from the fiveth picture. The carbon fiber liner must be 0.4 - 0.6 inches shorter than the removable liner in the shoe (about 1 - 1.5 cm as shown in picture 3) . We recommend measuring several pairs of your shoe's insoles and giving maybe 0.4 - 0.6 inch space which makes sure that the carbon fiber insole does not exceed the length of your current insole, so you can easily slip them in and out of your shoes. ?TWO PIECE?The orthotic shoes insole works for either foot, just flip it over. The fiveth picture shows the size chart of the insoles (mm and inch). To make sure you order the right size carbon insole please measure your feet' insoles. They are suitable for sports and sneakers shoes, not for high heels or dress shoes. Alternative to postoperative shoes.(1Pair). ?PAIN RELIEF?Arthritis shoe inserts stiffens the insole enough to keep your toes from over-extending, without restricting or changing your natural stride. Insert still allowed some movement but reduced pain from too much movement. Easy use. It's thin and lightweight so doesn't change the fit or feel of the shoe. The Carbon fiber insert can be used in different athletic shoes like sneakers, hiking boots, baseball, tennis, golf, football, or basketball shoes. ?WHAT IS CARBON FIBER Carbon fiber is always called “The King of Material", sometimes known as graphite fiber -- is a strong, stiff, lightweight material that is five times stronger than steel. It has the potential to replace steel and is popularly used in specialized, high-performance products like aircraft, racecars, and sporting equipment.Used under the insole to demonstrate its lightweight,convenient and rigid.

Best Sellers Rank: See Top 100 in Health & Household. Recommended Uses For Product: Shoe. Material: Carbon Fiber. Use for: Foot. Color: Black 2pcs. Brand: Docarbonfi. Country of Origin: China. : B0BV6FZ1MN. Manufacturer: Docarbonfi. Date First Available: April 2, 2023. Item model number: rigid insole. Product Dimensions: 3.5 x 0.05 x 10.83 inches; 3.21 Ounces.