Adidas Ultraboost 21 Crew Navy
Adidas Ultraboost 21 Crew Navy
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Adidas Ultraboost 21 Crew Navy
The Adidas Ultraboost 21 Crew Navy is a sophisticated and comfortable version of the iconic Ultraboost 21, combining famous performance technology with a clean, elegant look. This model comes in a predominantly navy blue (Crew Navy) color, a sober and versatile tone that makes the sneakers an excellent option for those looking for a stylish and sophisticated look at the same time.
The upper of the Ultraboost 21 Crew Navy is made with Primeknit material, which offers a breathable, flexible and highly comfortable fit. Primeknit adapts to the shape of the foot, providing support and lasting comfort during extended wear. The Crew Navy color gives the shoe a minimalist, modern look, while subtle details, like the Adidas logo on the side, keep the design clean and elegant.
The midsole features advanced Boost technology, which offers excellent energy return with each step, ensuring superior cushioning. This provides comfort not only for physical activities such as running and training, but also for everyday use, with a smooth feeling with every movement. The LEP (Linear Energy Push) is also present, contributing to the efficiency of the stride and making the model even more responsive.
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Authenticity Guaranteed
Authenticity Guaranteed
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.
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In Stock & Ready to ship
In Stock & Ready to ship
We hold and authenticate inventory on site so you don’t have to wait to receive product from a 3rd party seller. Processing and order verification typically occur 1-3 business days prior to shipping.
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Returns Accepted
Returns Accepted
We offer free global returns for all eligible and full-priced items. Final sale items will be noted on the product page. Please see return policy for further details!
What our customers say
based on 2.595 reviews
Always Reliable!
I can always rely on Xo Gang for authentic, stylish sneakers. This is my third order, and every time the experience has been excellent. Great selection for the European market.
Giovanni Ricci
Spot-On Size Guide
Absolutely buzzing with this purchase! The size guide was spot on, and they are incredibly comfortable. Best sneaker shop I've found online.
Aina Lund
Very Professional Service
Very professional service. The sneakers were exactly what I was looking for, and they arrived safely in the Netherlands. Highly satisfied with Xo Gang.
Thomas Jansen
Super Fast Dispatch to Dublin
Easy checkout process and super fast dispatch. I got my order in Dublin in just three days. Fantastic value for money.
Patrick Kelly
Easy Exchange Process
Solid quality and fair prices. I needed to exchange for a different size, and the return process was handled quickly and efficiently by the Xo Gang team.
Nikos Petrovas
Top-Tier Online Retailer
Got a great deal during a flash sale. The shoes fit perfectly and the colors are vibrant. No complaints here, a top-tier online retailer.
Jan Kowalski
Always Reliable!
I can always rely on Xo Gang for authentic, stylish sneakers. This is my third order, and every time the experience has been excellent. Great selection for the European market.
Giovanni Ricci
Spot-On Size Guide
Absolutely buzzing with this purchase! The size guide was spot on, and they are incredibly comfortable. Best sneaker shop I've found online.
Aina Lund
Very Professional Service
Very professional service. The sneakers were exactly what I was looking for, and they arrived safely in the Netherlands. Highly satisfied with Xo Gang.
Thomas Jansen
Super Fast Dispatch to Dublin
Easy checkout process and super fast dispatch. I got my order in Dublin in just three days. Fantastic value for money.
Patrick Kelly
Easy Exchange Process
Solid quality and fair prices. I needed to exchange for a different size, and the return process was handled quickly and efficiently by the Xo Gang team.
Nikos Petrovas
Top-Tier Online Retailer
Got a great deal during a flash sale. The shoes fit perfectly and the colors are vibrant. No complaints here, a top-tier online retailer.
Jan Kowalski
Always Reliable!
I can always rely on Xo Gang for authentic, stylish sneakers. This is my third order, and every time the experience has been excellent. Great selection for the European market.
Giovanni Ricci
Spot-On Size Guide
Absolutely buzzing with this purchase! The size guide was spot on, and they are incredibly comfortable. Best sneaker shop I've found online.
Aina Lund
Very Professional Service
Very professional service. The sneakers were exactly what I was looking for, and they arrived safely in the Netherlands. Highly satisfied with Xo Gang.
Thomas Jansen
Super Fast Dispatch to Dublin
Easy checkout process and super fast dispatch. I got my order in Dublin in just three days. Fantastic value for money.
Patrick Kelly
Easy Exchange Process
Solid quality and fair prices. I needed to exchange for a different size, and the return process was handled quickly and efficiently by the Xo Gang team.
Nikos Petrovas
Top-Tier Online Retailer
Got a great deal during a flash sale. The shoes fit perfectly and the colors are vibrant. No complaints here, a top-tier online retailer.
Jan Kowalski
Always Reliable!
I can always rely on Xo Gang for authentic, stylish sneakers. This is my third order, and every time the experience has been excellent. Great selection for the European market.
Giovanni Ricci
Spot-On Size Guide
Absolutely buzzing with this purchase! The size guide was spot on, and they are incredibly comfortable. Best sneaker shop I've found online.
Aina Lund
Very Professional Service
Very professional service. The sneakers were exactly what I was looking for, and they arrived safely in the Netherlands. Highly satisfied with Xo Gang.
Thomas Jansen
Super Fast Dispatch to Dublin
Easy checkout process and super fast dispatch. I got my order in Dublin in just three days. Fantastic value for money.
Patrick Kelly
Easy Exchange Process
Solid quality and fair prices. I needed to exchange for a different size, and the return process was handled quickly and efficiently by the Xo Gang team.
Nikos Petrovas
Top-Tier Online Retailer
Got a great deal during a flash sale. The shoes fit perfectly and the colors are vibrant. No complaints here, a top-tier online retailer.
Jan Kowalski
Always Reliable!
I can always rely on Xo Gang for authentic, stylish sneakers. This is my third order, and every time the experience has been excellent. Great selection for the European market.
Giovanni Ricci
Spot-On Size Guide
Absolutely buzzing with this purchase! The size guide was spot on, and they are incredibly comfortable. Best sneaker shop I've found online.
Aina Lund
Very Professional Service
Very professional service. The sneakers were exactly what I was looking for, and they arrived safely in the Netherlands. Highly satisfied with Xo Gang.
Thomas Jansen
Super Fast Dispatch to Dublin
Easy checkout process and super fast dispatch. I got my order in Dublin in just three days. Fantastic value for money.
Patrick Kelly
Easy Exchange Process
Solid quality and fair prices. I needed to exchange for a different size, and the return process was handled quickly and efficiently by the Xo Gang team.
Nikos Petrovas
Top-Tier Online Retailer
Got a great deal during a flash sale. The shoes fit perfectly and the colors are vibrant. No complaints here, a top-tier online retailer.
Jan Kowalski
Always Reliable!
I can always rely on Xo Gang for authentic, stylish sneakers. This is my third order, and every time the experience has been excellent. Great selection for the European market.
Giovanni Ricci
Spot-On Size Guide
Absolutely buzzing with this purchase! The size guide was spot on, and they are incredibly comfortable. Best sneaker shop I've found online.
Aina Lund
Very Professional Service
Very professional service. The sneakers were exactly what I was looking for, and they arrived safely in the Netherlands. Highly satisfied with Xo Gang.
Thomas Jansen
Super Fast Dispatch to Dublin
Easy checkout process and super fast dispatch. I got my order in Dublin in just three days. Fantastic value for money.
Patrick Kelly
Easy Exchange Process
Solid quality and fair prices. I needed to exchange for a different size, and the return process was handled quickly and efficiently by the Xo Gang team.
Nikos Petrovas
Top-Tier Online Retailer
Got a great deal during a flash sale. The shoes fit perfectly and the colors are vibrant. No complaints here, a top-tier online retailer.
Jan Kowalski
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Fast Delivery
Express Shipping with tracking worldwide, regardless of value.
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Hassle-free exchanges
We will exchange your order in accordance with our policies.
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