The third version of this running shoe elevates the series to a new level of technical performance. Breathable mesh upper with seamless synthetic overlays that reduce chafing. SpEVA improves bounce-back characteristics and prevents midsole breakdown for added comfort. Rear and forefoot GEL® Cushioning Systems absorb and disperse shock during impact and toe-off phases, allowing natural foot movement as you move through the gait cycle. Impact Guidance System's (I.G.S®) linked componentry in the midsole enhances the foot's natural gait from heelstrike to toe-off. DuoMax® Support System consists of a dual-density midsole positioned to enhance support and stability for performance. Guidance Trusstic System® integrates Guidance Line® technology to enhance gait efficency and provide structural integrity through the midfoot. Solid rubber outsole for long-lasting durability. Wt. 9.7 oz. International shipping is not available.