Original  Corefit “Miracle Device” Print Ad circa 1940’s


“Our family owned company’s self-imposed standards  are exemplified by the passion we apply in our hand-finishing.”

The ethos behind the Corefit Orthotics brand remains unchanged since our first pair of self moldable “Zinke’s Foot Form Supports” was handcrafted in 1932: produce an affordable, self moldable custom shoe insert which helps relieve foot ailments which include plantar fasciitis, arch and heel spur pain.

J.D. Zinke, founder of the Zinke’s Shoe Corporation, crafted custom made shoes the way they were made in his native Germany…”with contoured insoles, formed to fit the foot.” Unlike factory-made shoes, which had flat insoles, his custom made shoes left one feeling as though they were walking “on soft earth” instead of pavement. Mr. Zinke then thought, “Why not create a individual customizable insert that can be inserted into a standard type shoe, giving its wearer the comfort that is only derived from expensive custom-made shoes?”

A group of specialists was commissioned to developed a perfect, custom moldable insole which also turned out to be a revolutionary foot support. Notice we didn’t say simply an “arch support”…because it was actually a complete foot support. It both stabilized and supported the weight bearing areas of the foot…both cradling the heel and supporting the longitudinal and metatarsal arches; providing solid comfort and relieving the pain associated with many foot disorders. The end result, coined the “Miracle Device” was thus born. A custom moldable device which when inserted into the shoe turns into a superior foot support, doing the job far better than most podiatrist molded orthotics that sell for $300 and upward. Up to now, our product has been sold exclusively to podiatrists, medical professionals and the US Military. While we are at the forefront of developments in foot orthotics, many tasks are best done by hand. As a family owned company, we’re able to nurture and preserve the traditional and complex hand-finishing skills that make our self moldable orthotics so unique. These self-imposed standards culminate in our only product: Corefit Self Moldable Custom Shoe Inserts.
  • 100% MONEY-BACK GUARANTEE! We’re so sure that Corefit Orthotics will help YOU walk with less foot pain that we offer an unconditional 15 Satisfaction Guarantee. If Corefit Orthotics don’t pass your “test drive”, simply contact our U.S. based consumer relations team at 1-800-672-4987, ship them back to us within 15 days and we’ll refund your FULL purchase price. NO QUESTIONS ASKED.
  • OVER ONE MILLION SATISFIED CUSTOMERS SINCE 1932. Just five years ago, our handcrafted self moldable custom inserts were THE best kept secret amongst medical and podiatric professionals. The WORLD now knows about our truly evolutionary handcrafted foot support device. In fact, brief periods of back-orders due to strong demand are not uncommon. Podiatrist Approved Since 1932