Find Your Size: Measure your original insole length and choose the appropriate size according to the size chart (the sixth picture). The rigid plate insole must be 1/4"- 1/2" inches shorter than your original insole. Please make sure that the hallux rigidus insert is placed underneath the soft insole for maximum comfort. The graphite Mortons extension insoles work well in sneakers, hiking boots, and football, tennis, and basketball shoes, not fit with high heels or flip flops. Wide Application & Active Lifestyle: Doctor recommended carbon insoles men can be used for foot problems as well as offer energy return in various sports activities such as basketball, hiking, trekking, running, or daily walking. This rigid carbon fiber shoe insert is great for hiking - protects your feet from rocks and harsh terrain while walking or trekking. Help with step-on ladder rungs and go downstairs. Foot Recovery: Carbon rigid insole plantar fasciitis keeps your foot flat when your foot heals. Help your feet maintain medical posture and stability, and help with rapid foot healing and recovery. Provides excellent support and protection for toe, foot, ankle, or leg, especially assists rehabilitation during the recovery period of the big toe injury such as sports sprain, fracture, breaks, surgery, etc. Carbon fiber foot plate can be used as a post op shoe alternative and turf toe brace. Premium Mortons Extension Orthotic: The turf toe plate is made of aircraft-grade materials, only 1.5mm thick, lightweight, durable, rigid, and corrosion-free. Do not add weight to the shoes. Carbon fiber insert makes your flimsy shoes more rigid, providing stable support for the big toe and helping reduce the risk of re-injury. Turf toe insole is sold as 1 Pair and can be reversed to fit the right or left foot. Pain Relief: Carbon fiber insoles for men limit the movement of the big toe and keep it in place. Effectively relieves the pain caused by over-bending of the big toe. Perfect for protecting your feet and keeping you comfortable. Mortons extension carbon fiber insole keeps the big toe straight, effectively helping Hallux Rigidus and Limitus, Turf Toe, Fractures, Stiff Big Toe Arthritis, Broken Big Toe, Big Toe Sports Sprains, Morton's Toe, Hammer Toes, Bunion, and Foot Surgery.