- Size Guide
- Width Guide
The standard (medium) width for women is B, while the standard width for men is D. Shoe boxes and labels will only identify widths other than standard. Within the shoes, wide and narrow widths are identified on the label, underneath the tongue — ie. T005N(2E).
When is additional width needed?
Visible stretching or bulging on the outsides of forefoot materials is a good indicator that additional width may be needed. These sizes are available in many of our Running and Training shoes. In some cases, men can wear women’s styles to achieve a narrow fit and women can wear men’s to get a wide. If this is needed, please use the references above to determine comparable size lengths. Please note that the differences of width between narrow, standard, wide, and extra wide are usually only a couple millimeters and are proportional to the size of the shoe. Most additional width will be found in the forefoot.
DeliveryShipments normally leave our warehouse within 2 business days of purchase, but may ship sooner depending on delivery method.
We ship to all 50 states, US Territories and APO/FPO boxes.
For full shipping information details please go to www.asics.com/us/en-us/shipping
ReturnsMerchandise purchased on asics.com may be returned for a refund within 60 days of the date of purchase, as long at it meets the necessary conditions.
To see the returns conditions and information in full please go to www.asics.com/us/en-us/returns
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Product DetailsGo further than you thought possible with the women's GEL-CUMULUS® 21 performance road running shoe by ASICS. Designed to cushion and support your feet over long distances, this shoe boasts FLYTEFOAM® Propel technology for excellent bounce and energy. And now you can pick up this performance running shoe with a vibrant upper and special edition design, created to inspire you to unleash your inner runner. The combination of rear and forefoot GEL® technology means you benefit from a level of shock absorption not available in many other shoes, while GUIDANCE LINE™ technology enhances your gait efficiency and the internal heel counter holds your foot in position no matter how far you go. Further support comes from I.G.S® (Impact Guidance System) technology which enhances your natural gait as you move, and the EVA sockliner that molds to the shape of your feet for added comfort. The highly resistant AHAR® rubber compound reduces wear at key impact areas of the outsole, making this a performance running shoe that you can really count on as you look to reach new levels. Ventilation is provided by the engineered jacquard mesh upper, so you can rest assured that your feet will remain cool even when your run heats up. Reflective details on the outside of the shoe ensure you'll be noticed, even at lower light levels. With this special edition design of the GEL-CUMULUS® 21 shoe in your running bag, you'll be able to take on those extra miles in comfort and style.
The technology in this product
Acronym for ASICS® High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability.
FLYTEFOAM® technology provides exceptional bounce back and responsiveness no matter the distance, utilizing organic super fibers to help reduce packing out that traditionally happens with softer, low density foams.
Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency.
Rearfoot and Forefoot GEL® Cushioning System
Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle.
FluidRide® provides the ultimate combination of bounce back and cushioning properties with reduced weight and exceptional durability.
SpEVA® Midsole Material
Improves bounce-back characteristics and decreases midsole breakdown.
A blown AHAR® rubber compound for enhanced cushioning and durability in the forefoot.