Tuli's Gel Energy Tracks, Large (Ladies 13-16, Mens 11-14)
TuliGel Energy Tracks, a completely new concept in athletic foot protection.  The unique rib configuration actually stores and releases impact energy, helping to improve your overall performance.  The Energy Tracks ability to absorb shock will reduce fatigue and may actually help lower the incidence of injury.  The built-in heel cup provides lateral support for greater stability.