Run Farther with Comfort and Control Advanced research into the mechanics of running is reflected in the ASICS GEL-CUMULUS 20 providing a more comfortable efficient stride. An increased landing surface highly responsive midsole design and Gel cushioning combine for smooth natural heel-to-toe transition and proper lateral movement. The lightweight jacquard upper employs multi-directional stretch mesh and reinforcements for adaptable fit and breathability. Experience Bounce-Back Like Never Before Gearing up for longer runs This is your shoe. Exclusive ASICS FLYTEFOAM midsole technology utilizes a unique elastomer compound with super fibers that maintain loft for greater rebound than typical low-density foams that compact over time losing structural integrity. You get this improved material stability and durability without added weight while the ORTHOLITE sockliner adds a snug natural fit. ASICS GEL-Cumulus 20 features: • Lightweight breathable mesh upper offers flexible fit.• Low-cut silhouette with rolled collar for ease of movement.• FLYTEFOAM midsole technology provides superb rebound.• Rear and forefoot GEL cushioning for superb impact absorption.• Wide running platform for full-ground contact and stability.