1Made of nano-silver material which have antibacterial and antifungal properties 2Featuring hundreds of nodules contoured to your foot for added comfort and support, which provides a constant energizing massage as you move 3Except for equipped front massage pads, we prepared for another 6pcs holed pads for your replaceable wear 4Anti-slip hind heel pad for prevention of the pad moving causing discomfort 5Effectively correct flat feet, pigeon-toed, hind foot valgus, knock-knees O/X leg
