【1 PC Carbon Fiber Insole】Carbon fiber insole is sold as a SINGLE PIECE, NOT A PAIR. Just flip it over, it can be worn on your right or left foot. It is universal rigid insole, which works for men and women. If you want a pair insole, please choose 1 pair option. 【RELIEVE YOUR PAIN】The rigid shoe inserts is 1.2mm thick flat plate, allow minimized bending (minimum flexibility) with optimized stability. It add stiffness to shoes to limit foot motion and to take pressure off from metatarsals, help reduce foot pain and foot recovery. Suitable for Morton's Toe, Turf Toe, Hallux Limitus, Hallux Rigidus, Arthritis, Broken Big Toe and Forefoot Pain. Can be used as Post Op Shoe Alternative. 【Good Support For Activities】The rigid toe plate has good support and stability, can be bent and return to its original shape. Let you jump higher, be more explosive, have better injury protection and recovery. Rigid Shoe Insert prevents your feet from getting tired in your daily activities, works well in various sports activities such as daily Walking, Trekking, Hiking, Running, Football or Basketball. It also can be used in different athletic shoes like sneakers, hiking boots, baseball, tennis, golf, football, or basketball shoes. Not for dress shoes and high heels. 【Premium Carbon Fiber Material】Rigid carbon fiber shoe insert adopts 3K twill plain real carbon fiber, it features high strength and stiffness, lightweight, thin, durability and corrosion-free. 【Find Your Right Size】Please select right insole length according to your shoe size from the picture. The carbon fiber rigid plate need to be ¼ - ½ inch shorter than your removable shoe insert in shoe. It will help you slip carbon fiber insole in and out of your shoe easily. NOTE: Please use this carbon fiber insert below your original removable shoe insole or under orthotic. Morton's Extension Orthotic, Recovery Carbon Fiber Insole-1 Pc Rigid Foot Support Shoe Inserts for Morton's Toe, Turf Toe, Hallux Limitus, Hallux Rigidus, Arthritis, Broken Big Toe and Forefoot Pain