With a fresh makeover, the ASICS GEL-DS Trainer 23 is an excellent choice for sleek and supportive go-to footwear. This performance-ready model gives runners the lightweight, energized feel thats conducive to optimal training and racing. This new edition features an Adjustable Slit Upper that wraps supportively around the foot without being too restrictive. DuoSole® outsole technology provides enhanced durability without the extra weight. Wear this perfect all-around running shoe on training and race days when you want to perform your best. Upper: Features an ADAPT mesh upper for comfortable, lightweight fit and feel. Padded heel collar enhances comfort. Lace-up front offers an adjustable fit. Heel Clutching System™ provides improved support and creates improved heel fitting environment. Midsole: FlyteFoam™ Technology provides the optimal lightweight ride with increased cushioning and energy return. Impact Guidance System (I.G.S®) employs linked componentry to enhance the foots natural gait from heel strike to toe-off. Rearfoot GEL® Cushioning Systems attenuate shock during impact and toe-off phases, and allows movement on multiple planes as the foot transitions through the gait cycle. Propulsion Trusstic® mimics connective tissue in the foot by creating tension as the foot enters propulsion stage. Outsole: DuoSole® Outsole reduces weight and enhances flexibil ity while maintaining traction and durability. AHAR® ASICS High Abrasion Rubber placed in critical areas of the outsole provides exceptional durability.