Equipped with a new upper, the ASICS GT-1000 4 has the comfort and support overpronators need to rack up the miles. Updated upper is constructed from seamless engineered mesh with minimal overlays for lightweight support. SpEVA midsole cushioning improves bounce-back and decreases midsole breakdown, so your shoes last longer. Rear and forefoot GEL Cushioning Systems absorb the shock of impact and encourage your foot to move naturally through the gait cycle. Impact Guidance System (I.G.S.) linked componentry enhances your foot's natural movement and flexibility from heel strike through toe-off. Dual-density DuoMax Support System provides support and stability through the midsole. Solid rubber outsole for long-lasting durability. Wt. 11.3 oz.