The ASICS GEL-Nimbus 21 Lite-Show running shoe offers both a smooth ride and an eye-catching style so you stay safe on your early morning and evening runs. Predecessor: GEL-Nimbus 20 Lite-Show. Support Type: Neutral to underpronation (supination). Cushioning: High energizing cushioning. Surface: Road. Heel/Toe: 23 mm/13 mm. Differential: 10 mm. Premium mesh upper with synthetic overlays adapts to the movement of your foot and offers excellent breathability for added interior comfort. Features 3M iridescent treatment for high visibility in low-light conditions. Lace-up closure with discrete eyelets to disperse lace tension for a customized fit. Heel Clutching System is made up of an exoskeletal heel counter for improved fit and increased support. Breathable fabric lining promotes a great in-shoe feel. Removable Ortholite® X-40 premium sockliner features higher rebound properties while providing excellent moisture management and a high-level of breathability. I.G.S employs linked componentry to boost the foot' s natural gait from heel strike through toe-off. SpevaFoam 45 lasting employs 45-degree full-length lasting material for a soft platform feel and improved comfort. FlyteFoam Lyte Technology midsole provides continuous cushioning and underfoot support due to organic nano fibers that help prevent packing out. Rearfoot and forefoot GEL cushioning systems attenuate shock during impact and toe-off phases, and allowing movement in multiple planes as the foot transitions through the gait cycle. FlyteFoam Propel technology has an energetic foam formulation that provides supreme bounce thanks to a unique elastomer compound. Guidance Trusstic System supplies enhanced gait efficiency without compromising mid-foot structural integrity. Guidance Line technology uses a vertical flex groove to decouple the tooling along the line of progression for maximum stride efficiency. AHAR rubber outsole delivers cushioning, lasting durability, and reliable traction. Imported. Measurements: Weight: 12 oz Product measurements were taken using size 11, width D - Medium.Weight of footwear is based on a single item, not a pair.