ASICS Gel-Nimbus 21 Optimism Women's Running Shoe

Optimism inspired version of the inline NIMBUS 21. The Optimism pack features sunny optimistic colors to infuse color and energy into April. Rearfoot and Forefoot GEL BRAND Technology cushioning system attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. I.G.S (Impact Guidance System) technology employs linked componentry to enhance the foots natural gait from heel strike to toe-off. Guidance TRUSSTIC SYSTEM technology integrates GUIDANCE LINE construction for enhanced gait efficiency while providing midfoot structural integrity. GUIDANCE LINE midsole technology has vertical flex groove that decouples the tooling along the line of progression for enhanced gait efficiency. PLUS 3 Midsole Technology has 3mm of additional height on womens models to help relieve Achilles tension.