Be a savage on the court by opting for the ASICS GEL-Resolution 9 Tennis Shoes. AHARPLUS rubber outsole. Breathable synthetic mesh lining. Engineered mesh upper with durable synthetic overlays. DYNAFIT upper inmproves flexibility. DYNAWRAP technology improves stability. DYNAWALL technology improves stability. Lace-up closure. PGUARD technology increases durability in the outsole's toe and heel area. Rearfoot and Forefoot GEL Technology improves impact absorption. Round toe design.