Designed with a fashion casual athletic upper and performance-driven features, HyperGEL-SAI transitions from workout to hangout for easy all-day wear. A new generation of ASICS signature GEL, the HyperGEL midsole offers premium cushioning, a responsive ride and exceptional durability.**FIT NOTICE**The HyperGEL-SAI has a new premium sock-like fit but also runs slightly shorter than standard. We recommend buying a half size larger.
HyperGEL Technology High performance design with HyperGEL technology beads integrated into the midsole enhancing rebound and cushioning while reducing impact.
MONO-SOCK Technology Fit System An elastic internal sleeve which replaces a traditional tongue providing a "sock-like" fit.
Asymmetrical Lacing Design An anatomically correct lacing environment that reduces potential for irritation and provides improved comfort and fit.