- 46%
Recycled materials
Emission reduction

adidas Ultraboost 21 COLD.RDY Running Shoes Black Navy Blue Green

RRP £151.78
You save: 46%


Users normally buy +1 size bigger than their usual size.
Make 3 payments of £27.25. No fees.Learn more
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365 Days to Return
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Recycled materials
Emission reduction
The adidas Ultraboost 21 COLD.RDY shoes are made with an insulated upper that keeps water out and keeps your feet dry and warm. The Continental WinterGrip rubber outsole provides exceptional grip on all types of surfaces. The Boost cushioned midsole ensures incredible energy return to keep you going for extra miles.

- Tight and flexible design
- Lace fastening
- adidas Primeknit+ fabric upper
- Textile lining
- Reinforced heel for extra support
- Boost midsole
- Weight: 340 g (size 42 2/3)
- Drop: 10 mm (heel: 30.5 mm / forefoot: 20.5 mm)
- Primegreen

- Continental
Continental rubber outsole delivers extraordinary grip in wet conditions and excellent resistance to wear. Specifically, it offers 21% more traction in dry conditions and 23% more traction in wet conditions.
Reference: AD-S23893

Quick Overview

When cold and rain go hand in hand, you have to prove yourself. The adidas Ultraboost 21 COLD.RDY running shoes give you their all.

Quick Overview

When cold and rain go hand in hand, you have to prove yourself. The adidas Ultraboost 21 COLD.RDY running shoes give you their all.
I expected more
They are comfortable, but they weigh a lot... I thought they'd be lighter. The same as adapting to them, time will tell
Very comfortable and good quality
Fits the feet like a glove, ideal for medium and long distances.

Product availability: The majority of our products are in stock in our warehouses, this is stated on the same page as "Product in stock. Delivery within 24 hours". In products with size options, this information will appear when you select the size you want. If we do not have the product in our warehouse, we will inform you of the estimated delivery time. We will keep you updated on this information and work to ensure you receive your order as quickly as possible. When the product is not available we will give you the option to sign up to an alert to let you know when it is back in stock.

Payment method: You can pay by card, paypal or bank transfer. If you choose the last option, you will receive an email with our bank details for you to make the payment. When we have proof of the payment, we will take care of changing the status of your order and start to prepare your items for delivery.

Delivery costs: The majority of our orders come with free delivery. Purchases over 49 euros in Spain have free delivery excluding products such as dumbbells, weights, MTB, BMX, urban, road and electric bikes. We don't deliver to the Canary Islands, Ceuta or Melilla.

Returns: 100% satisfaction guaranteed, with 365 days to return your purchase. You can manage this via the "My Account" section where you can request a return. You'll find all the information you need here.

Size changes: For products with size options, you can consult the size guide table in the product details, to help you choose the one that fits you best. If when you receive the order, you need a different size, you can change it free of charge (Spain). If the new size isn't available we will find you an alternative. Here you will find all the steps to follow.