the old walkfit. - well, mimi, we still have the same effect of walkfit design as before.is gel pad, you get much more cushioning and protection. - but everything else that made the walk fit so effective, it's still the same, right doc? - the shape of the new walkfit is the same and the support and the stability are the same. it all begins with a bio-lock heel cup. it supports both sides and the back of your foot to help lock the foot in and keep the heel from rolling. this is extremely important for stability. then you've got your metatarsal and sagittal support. this helps distribute the excessive forces cln evenly and correctly. and most important. the walk that flexes to help absorb shock and then returns the energy to your foot to help you walk. your foot actually conforms to the walk fit. not the other way around. - we discussed this during the last show. it's like those back chairs that place your back and spine in the correct position to alleviate the pressure and the pain. and the walkfit does the same for your feet. - exactly, and we still have our patented comfo