Beloved of the business traveller, the original Gravity defyer introduced the world to the health and pain relieving benefits of spring technology footwear. Their shock abosorbing industrial grade Smart Memory Springs™ are housed in a wedge shaped sole of a specially formulated shock absorbing compound. Engineered to exacting specifications, the original eases, leg and back pain, while delivering maximum forward thrust to every step. You'll be amazed as they not only absorb undesirable shock, but actually propel you forward. They keep your feet dry and "sticky free" with our AVS³ Cooling System™, while our Perfect-Fit™ width sizing system (on select styles) give you the room you need for ultimate comfort. Hand crafted and made of the finest materials, the interior of every shoe is lushly padded with our removable Comfort-Fit™ insole and accommodates most orthotics, guaranteeing flexibility and a perfect fit for any foot. The Original Gravity Defyer has  the greatest thrust to lift rating of any Gravity Defyers, and have been tuned for maximum time spent walking on hard surfaces.