Q factor® technology specifically designed for women to help control the q-angle providing proper support and alignment. * Spencore? material exclusive cushioning layer absorbs shock and impact to provide maximum comfort. * Low friction top cloth with silpure antimicrobial helps prevent blisters while controlling odor. * Contoured polysorb? polyurethane foam design helps cradle the heel and support the arch to create the q factor® technology. * Gel heel strike cushion absorbs shock and returns energy in the key impact zone.