Run further than you thought possible in the Men's GEL-NIMBUS 21 Running Shoe from ASICS. The premium mesh upper provides a secure fit, allowing air to flow and keep the foot fresh as you run. GEL technology in the front and back provides energized cushioning in the form of shock-absorbing silicone for heavy-impact activity. Meanwhile, FLYTEFOAM Propel technology in the midsole offers excellent bounce and toe-off. This lightweight foam formulation has a special high-energy return elastomer helping to put a spring in your step and the ASICS High Abrasion Resistance Rubber outsole delivers cushioning, lasting durability, and reliable traction.

• Jacquard mesh upper with synthetic overlays
• Lace-up closure with discrete eyelets to disperse lace tension for a customized fit
• Breathable fabric lining for great in-shoe feel.
• Removable Ortholite X-40 premium sock liner features higher rebound properties, excellent moisture management, and a high-level of breathability.
• Revolutionary FlyteFoam midsole provides continuous cushioning, underfoot support, and a lightweight, responsive ride.
• ASICS energetic foam formulation that provides supreme bounce thanks to a unique elastomer compound.
• Rearfoot and forefoot Gel Technology cushionging system attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle.
• High abrasion resistance rubber (AHAR) outsole delivers cushioning, lasting durability, and reliable traction.
• Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency.
• Guidance Line technology uses a vertical flex groove to decouple the tooling along the line of progression for maximum stride efficiency.
• Guidance Trusstic System supplies enhanced gait efficiency without compromising mid-foot structural integrity.
• HG10MM Heel Gradient shifts body mass forward reducing the strain on lower limbs.
• Heel Clutching System™ is made up of an exoskeletal heel counter for improved fit and increased support.
• Support Type: Neutral 
• Cushioning: High energizing cushioning.
• Surface: Road.
• Weight: 13 oz.
• Spot clean
• Imported
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