Asics Men's Gel Cumulus 21 Running Shoe
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More height in the toe box and across the ball of your foot.
Better and more comfortable cushioning underfoot.
New grooves in the sole under the heel for a softer landing.
More foam in the heel collar for added comfort.
Gel Cushioning System uses a silicone-based gel for responsive shock absorption on impact.
Flytefoam Lyte provides lightweight and durable cushioning that is also environmentally friendly.
Flytefoam Propel is a softer and bouncier foam added to increase responsiveness while maintaining comfort.
Guidance Line is a flex groove that runs vertically from the heel to the forefoot for improved gait efficiency.
Impact Guidance System (IGS) design creates a smooth and balanced heel-to-toe transition.
Gender-Specific Cushioning uses an injected top layer of Solyte cushioning for additional comfort.
Asics High Abrasion Rubber (AHAR) in the heel is made of carbon rubber for exceptional durability.
DuraSponge Outsole in the forefoot is made from a blown AHAR compound for responsive cushioning and flexibility.
Multi-directional Mesh comprises the upper, providing lightweight breathability for a plush, irritant-free fit.
Seamless Upper Construction allows for irritation-free sockless wear.
Personal Heel Fit (PHF) uses a two layer memory foam lining in the heel collar to provide an individualized fit.
Contoured Sockliner matches the natural shape of your foot for a better fit.
10.1 oz (size 9)
Featuring a more accommodating forefoot fit, added underfoot comfort, and a softer landing, the ASICS Cumulus 21 is ready for the bulk of your miles. While the Cumulus 21 looks similar to its predecessor, the upgrade from a Flytefoam midsole to Flytefoam Lyte gives this shoe a slightly softer and more comfortable ride. Also, the upper received a new multi-directional mesh upper that reduces weight and enhances breathability.