Wool Insoles with Carbon Fiber (A Pair), Hallux Rigidus Shoes | Turf Toe Plate, Carbon Fiber Shoe Inserts | for Turf Toe, Mortons Extension | Carbon Fiber Insoles for Men size 5.5 & Women 6-6.5

Hikers use carbon fiber or steel insoles to make shoe soles stiffer - less sensitive to rocks and mountainous terrain.

Carbon graphite is also a warm and corrosion-free material.

Your feet won't get as cold, and corrosion won't ruin your footwear.

FOR EVERY KIND OF HIKING ADVENTURE GIVE A BOOST TO YOUR PERFORMANCE Carbon fiber rigid shoe inserts provide energy return and keep your feet from getting tired during hikes and athletic activities.

Suitable for different athletic shoes: sneakers, hiking boots, golf shoes, football shoes, or basketball shoes.