Your feet carry you thousands of miles and bear a force 50% greater than a person's weight with every step. Foot problems are caused by wear and tear and/or because of negligence.

Mismatched feet
People who have mismatched feet usually buy the larger size, and the shoes for the smaller feet are often stuffed with material to take up the excess space. The purpose of OddShoeFinder.com is helping people with mismatched feet. The Web site is an effort to help those people save money by no longer having to buy two pairs of shoes, and allowing them to sell their own mismatched pairs of shoes. According to one estimate, 10% people are there who buy â€" or should buy â€" two pairs of shoes, wearing only one shoe of each pair due to differences in sizes of their feet.

Single and mismatched shoe organizations
Several charitable organizations provide mismatched or single shoes to people. There are also organizations that try to match one person with mismatched feet with another whose mismatched feet complement the first person's. Following are examples of organizations founded to address the problem.

National Odd Shoe Exchange
Ruth Rubin-Feldman created the National Odd Shoe Exchange in St. Louis, Missouri in 1943 for the benefit of polio survivors. It is a nonprofit organization helping amputees and people with different sized feet. It provides new, quality footwear to children, adults and seniors across the United States and Canada from its distribution center in Arizona.

One Shoe Crew
The One Shoe Crew, a national organization based in Sacramento, California. It helps to find single shoes for people with only one foot, or who wear different sized shoes on each foot. This organization was started in 1986.

Physical disability
Individuals who have, or have had, problems such as polio, elephantiasis, oedema, arthritis, and club foot often have severely mismatched feet. OddShoeFinder.com allows such users to swap quality mismatched shoes with other in similar situations.