Our verdict
The Sigma Aria is touted as a running spike from New Balance that combines both speed and endurance. With its componentry, this track shoe is able to attain smooth yet aggressive transitions. Taking inspiration from the Sigma Harmony, product eng 1037791 New Balance Essentials UT21503SAH T shirt offers a good balance of rigidity and comfort, enabling propulsion and plush running performance.
Pros
- Increases speed
- Very durable
- Well-engineered track spike
- Excellent traction
- Flexible
- Very light
Cons
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- Insufficient lockdown
Profile of the product eng 1037791 New Balance Essentials UT21503SAH T shirt
Use - With its featherlight composition, the Sigma Aria can last in short-distance running competitions. These can range from 200 meters to 400 meters. The track spike can also accommodate both short and long hurdles.
Spike Type - The short-range track shoe has an 8-spike configuration. The spike pins that are attached to its plate are pyramid spikes that are ¼ inch in length. These spikes are removable to aid the varying needs of the contender.
Spike Plate - A Pebax plate runs full-length in the outsole of the running shoe. It delivers surface traction for a stable and grippy performance. It is also recognized for keeping an ultra-light design while maintaining a durable fashion.
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The spike plate design of the product eng 1037791 New Balance Essentials UT21503SAH T shirt takes after the plate style of the Sigma Harmony.
However, it features more forgiving engineering with its M997 of a less rigid material. This is to accommodate athletes who would want to test their skills over longer sprints.
Sigma Aria delivers sufficient grip
Although the spike plate of the shoe already generates sufficient grip, a rubber outsole is also added to the componentry of the spike. This is to heighten the strength and traction of the track and field shoe.
Finally, the upper composition of the running platform consists of an engineered knit that allows a sock-like fit to the foot.
Available in unisex sizing
The product eng 1037791 New Balance Essentials UT21503SAH T shirt is available in unisex sizing in standard width. It follows men’s regular sizing measurements. Thus women are advised to deduct 1.5 from their usual size. This is to help secure an accurate fit and size.
There are several materials integrated into the shoe’s construction that are responsible for its fit. One of them is the engineered knit upper.
Classic lace-up closure
It acts like a second layer of skin, wrapping the foot comfortably and securely. Second, the classic lace-up closure of the short-distance spike gives a dialed-in fit. It disables the possibility of unwanted shoe removal.
Featherlight yet aggressive surface traction
Similar to the makeup of other track and field spikes, the product eng 1037791 New Balance Essentials UT21503SAH T shirt is equipped with a full-length Pebax plate. This outsole element permits featherlight yet aggressive surface traction.
Moreover, its rigidity keeps a fair balance of comfort and propulsion. The same spike plate is present in the Nike Zoom Victory Elite 2 and Adidas Adizero MD.
Maximizes speed
Complementing the Pebax plate is the rubber material implemented on the outsole. This maximizes not only the grip of the shoe but also its sturdiness.
Since the spike plate of the Sigma Aria is engineered with less rigid materials, no midsole component has been integrated within the platform. This is also to keep the weight down to maximize speed.
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As mentioned, the upper of the product eng 1037791 New Balance Essentials UT21503SAH T shirt consists of an engineered knit. It is made of synthetic materials that wrap snugly around the contours and shape of the foot.
It gives a sock-like, breathable fit for a more healthy in-shoe environment. The wrl lacing closure of the sprint spike allows for a customizable fit.
