• Biomorphic Fit® is produced with a stretch material that is strategically placed throughout the upper to reduce buckling and provide an exceptional fit and feel
• 3MTM reflective elements allow visibility even in low light
• I.G.S® (Impact Guidance System) is an ASICS design philosophy that employs linked componentry to enhance the foot’s natural gait from heel strike through toe-off
• Gender Specific Space Trusstic SystemTM recognizes the periodic changes in a women’s arch shape and provides for the controlled deformation of the arch into the space within the system
• DuraSponge® forefoot outsole material is comprised of a blown AHAR® rubber for superior cushioning and long-lasting wear

Product Description
The GEL-DS Trainer 16 will continue to meet the needs of runners looking for a supportive, yet lightweight trainer. This updated model adds Guidance Line, which helps the foot maintain an efficient path through the gait cycle. The upper features Asics’ proprietary Clutch Collar System for a comfortable and secure rearfoot fit. Features * Impact Guidance System (I.G.S.) * Clutch Collar System * Guidance Line * Propulsion Trusstic * Space Trusstic System * Biomorphic Fit Upper * Asymmetrical Lacing Design * Dual-Density Solyte 55 Lasting