

Adidas Ultraboost 21 424 Arsenal
Description
Adidas Ultraboost 21 424 Arsenal
The Adidas Ultraboost 21 424 Arsenal is a special edition that combines the high-performance performance of the Ultraboost with the vibrant energy and aesthetics of football. Created in collaboration with the famous streetwear brand 424 and the iconic Arsenal Football Club, this model brings a perfect mix of style, innovation and the passion for football.
The upper of the Ultraboost 21 424 Arsenal is made with Primeknit, Adidas' adaptable knit fabric, which provides a comfortable fit and breathability. The combination of black and red, inspired by Arsenal's traditional colors, appears in a subtle and elegant way, with the team and 424 logo on the sneaker, highlighting the collaboration in a discreet but imposing way. The design also features details that reference streetwear culture, a hallmark of 424.
The midsole of the Ultraboost 21 is equipped with the iconic Boost technology, providing an unparalleled comfort experience. Boost technology offers excellent energy return, making the shoe ideal for runs or long periods of use, while the Continental rubber outsole guarantees traction and grip on different surfaces.
In addition to performance, the Ultraboost 21 424 Arsenal is a true style statement. Its combination of bold colors and innovative design makes it an excellent choice for those who want to stand out with a sneaker that mixes high performance and urban culture. This model is ideal for Arsenal fans, sneaker collectors or anyone looking for a sneaker that combines comfort, style and the exclusivity of collaboration.
With the Ultraboost 21 424 Arsenal, Adidas brings a unique piece for sports and streetwear fans, offering the best of both worlds in a single sneaker.
Authenticity is the foundation of our business, and every item we sell is inspected by our expert team. Our authenticators are the most experienced and highly trained in the business. In addition, we source our products only from trusted suppliers.
We're on it — your pair is being prepared with care.
Please allow 1–2 business days for processing and 5–8 business days for delivery. Once your order ships, you'll receive tracking details so you can follow it all the way to your door.
Because of the high volume of orders, our team takes extra care to double-check every pair before shipping — the right item, the right size, and perfect condition.
Returns & Exchanges
Not completely satisfied? No problem.
If something isn't right, we're here to help. You have 30 days to return or exchange your order — for any reason at all.
For full details or to start a return, simply contact us at support@stretchsneakers.com and our team will guide you through every step.
Your new pair should feel just as good in person as it looked online.



Loved by Our Community!
What our customers say...
based on 12,847 reviews
They Look Even Better In Person
I wasn't expecting the materials to look this good. The mesh and suede combo feels high-quality, and the shape is so unique. I've had multiple people stop me to ask what they are.
Exactly What I Wanted
Super simple but still stylish. The black and white combo is crisp, and the shape has that modern sporty feel. I wore them out the first night and had zero discomfort.
The Cutest Sneaker I Own
I reach for these almost every day. The color combo just works with everything in my closet, and the cushioning feels soft without being too squishy.
Perfect Fit
These became my everyday sneaker within a week. They feel supportive in all the right places, run true to size, and break in quickly. Super happy I grabbed them.
Comfort I Wasn't Expecting
I bought these for the style but the comfort surprised me. They hug my feet without feeling tight, and the sole absorbs every step. I'm already debating a second pair.

We don't chase hype. We stock what lasts.
Stretch Sneakers was built for people who know what belongs on their feet — and won't settle for anything less.