From top to bottom, the new Asics Gel-Excel 33 is constructed with premium features that maximize performance while minimizing weight. Asics' new innovative midsole construction layers SpEVA, Solyte, and visible GEL Cushioning System Technology for excellent shock attenuation. Complimented by Guidance Line and decoupled tooling keeps foot movement more natural. But what really sets the Gel-Excel 33 apart is the newest evolution of Propulsion Trusstic for improved efficiency and a go-fast feel appropriate for underpronators to mild overpronators.