Barely used, these are the most fun and comfortable running shoes! Laces have been upgraded to silicone slip-on laces but can be replaced with regular laces. SIZE 10 Make an offer! From the manufacturer: 100% Synthetic Imported Rubber sole Impact guidance system (i.g.s) asics design philosophy that employs linked componentry to enhance the foot's natural gait from heel strike to toe-off. Rearfoot and forefoot gel cushioning systems attenuates shock during impact and toe-off phases, and allows movement on multiple planes as the foot transitions through the gait cycle. Dynamic duomax support system this evolution of duomax system enhances stability and support, with reduced weight and increased platform comfort. Solyte midsole material a lighter weight midsole compound than asics' standard eva and speva. Also features enhanced cushioning and durability. Propulsion trusstic mimics connective tissue in the foot by creating tension as foot enters propulsion stage.