Clinically proven to reduce pressure and absorb shock gel max heel cushions help to alleviate conditions such as bursitis achilles tendonitis heel spurs and and plantar fascilitis an advanced gel and poron design cushions your every step and helps relieve heel knee and lower back pain associated with foot impact and heel strike british journal of sports medicine 29th nov 2007choice of mens or womens sizesbuy these 2 pairs and save 2