ASICS GEL-KUROW Women's Running Shoes Full Length SoLyte - Midsole material, lighter than ASICS standard EVA and SpEVA + improves cushioning and durability. Biomorphic Fit - Upper technology involving flex points over areas of highest buckling to improve fit, reduce loading. AHAR - A tough material placed in critical areas of the shoe to provide excellent grip without compromising durability. AHAR+ is a lighter version of AHAR. Guidance Trusstic System - This Trusstic System integrates Guidance Line construction for enhanced gait efficiency while providing midfoot structural integrity. Reflective Detail - Contains reflective materials designed to enhance visibility during low-light hours.