Asics - Gel-GT Sport (Silver Grey/Black) - Men's: The best grand touring performance blended with today's throw-back design provides the active walker with a balance of comfort and style. Impact Guidance System(I.G.S.(R)) combining all ASICS(R) components to enhance the foot's natural gait for fitness walkers. Rearfoot and Forefoot GEL(R) cushioning systems that provides shock attenuation. Leather and mesh upper for natural comfort and durability with exceptional breathability.