These extremely comfortable triple-density ergonomic grips are anatomically designed to help cyclists ride longer by reducing hand numbness & fatigue. Custom shaped for womens hands.> Higher-density inner core for secure bar attachment > Flexible ergonomically-shaped platform absorbs shock & disperses pressure > Medium-density body for secure grip > Medically designed by ergonomic specialist Dr. Roger Minkow to prevent Carpal Tunnel Syndrome & cycling-related numbness/weakness of the hands known as Cyclists Palsy > Easily installed locking clamp with 3mm bolt head ensures secure attachment > Softest density in key contact area to cushion the ulnar nerve