






Adidas Ultraboost 21 Carbon Active Teal
Description
The Adidas Ultraboost 21 Carbon Active Teal is a vibrant, modern take on the acclaimed Ultraboost 21, combining high-performance comfort with a bold, stylish design. This model stands out for its color combination, with carbon and Active Teal (a vibrant shade of teal), creating a dynamic and modern look, perfect for those looking for both performance and a bold look.
The upper of the Ultraboost 21 Carbon Active Teal is made with Primeknit material, which provides a flexible and breathable fit. Primeknit is designed to adapt to the shape of the foot, offering additional support where needed while ensuring a lightweight feel. The design of the model is marked by the carbon tone, a sober and elegant color, contrasting with Active Teal, which brings a vibrant energy to the look. The sneaker also features subtle details and the iconic Adidas logo on the side, which complement the overall aesthetic.
The midsole is equipped with the famous Boost technology, which offers the best energy return with each step, providing exceptional cushioning and a comfortable running experience. LEP technology (Linear Energy Push) is also present, helping to generate more energy and efficiency with each movement, making the model more responsive and effective. This combination of technologies makes the Ultraboost 21 one of the brand's most comfortable and innovative sneakers.
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.









Adidas Ultraboost 21 Carbon Active Teal
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.