Preowned condition Very little wear Great thread life Lightweight and flexible synthetic textile and polyester mesh uppers offer maximum breathability and comfort; exoskeletal heel counters help cradle heels for increased support Memory foam-lined collars mold to feet for excellent comfort around the ankles Durable FluidRide polymer midsoles offer springy bounce back and cushioning without added weight Rearfoot and forefoot silicone-based gel inserts absorb excess shock in all directions, delivering cushioning and stability Impact Guidance System helps slow pronation for an optimal gait and natural foot movement from heel strike through toe-off Vertical flex groove in rubber outsoles follows the line of progression throughout the gait cycle to enhance gait efficiency Abrasion-resistant rubber in critical areas on the outsoles provides exceptional durability Questions? Leave a comment below!