These are the highest-powered, most effective
magnetic insoles available anywhere. They are 25 times stronger
than regular insoles. Therapeutic magnets are imbedded in the
insole. The magnetic energy will penetrate the entire foot, and
will even provide magnetic energy to the ankle. Fifteen magnets
per foot. Foam construction may be trimmed to fit up to size
13. Can also be worn in socks at night. One Size
Rare Earth Magnets, 12,500 Gauss.