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AdidasUltraboost 21 COLD.RDY Shoes - Navy/Blue/Yellow | Women's
Bio Degradable
This product is made from bio degradable natural fibres, meaning that at the end-of-life, this product can be broken down into natural elements that will disappear into nature without polluting the soil. This is evaluated by TSE based on publicly available information.
Eco-Production
This product is made using more environmentally-friendly processes, which involves using less water or energy or releases less chemical waste. Under this label we currently include chrome-free tanned leather, water-based polyurethane, and independent certifications like bluesign®, Standard 100 by Oeko-Tex and REACH Standards. This is evaluated by TSE based on publicly available information.
Labour Welfare
This product has been produced by a brand committed to improving the lives of their workers on each stage of the supply chain. This involves being transparent about their manufacturing process as well as providing evidence, such as third party certifications. In order to receive this label, a brand must prove that they work with certified manufacturing partners, who ensures safe working conditions, performs regular site audits, do not use forced labour or child labour, and give their workers the right to organise. This is evaluated by TSE based on publicly available information.
Organic
This product is made from organic materials, which are grown in compliance with organic agricultural standards. Organic farming means treating the soil and crops with non-hazardous chemicals, which reduces pollution and human and animal health hazards. This is evaluated by TSE based on publicly available information.
Vegan
This product is 100% vegan and do not contain any animal derived materials. Although faux leather (e.g. polyurethane) is a synthetic material, this product will have a smaller environmental footprint than traditional leather. This is evaluated by TSE based on publicly available information.
Recyclable
This product consists of materials that can at end-of-life, be fully recycled into new usable materials. This is evaluated by TSE based on publicly available information.
Recycled
This product is made of at least 70% recycled pre-used materials. This includes used water bottles, fishing nets and other plastics rescued from the ocean. This is evaluated by TSE based on publicly available information.
Certified B Corporation
This product has been produced by a brand certified as a B-Corporation which means the company meets the highest standards of social and environmental impact.
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Adidas
| women's trainers
Adidas Womens Trainers Size Guide
SHOP ADIDAS WOMEN'S TRAINERS >
adidas Ultraboost 21 runs a little smaller, we recommend going up a half size for a regular fit.
| UK | EU | US |
| 4 | 36 2/3 | 5.5 |
| 4.5 | 37 1/3 | 6 |
| 5 | 38 | 6.5 |
| 5.5 | 38 2/3 | 7 |
| 6 | 39 1/3 | 7.5 |
| 6.5 | 40 | 8 |
| 7 | 40 2/3 | 8.5 |
| 7.5 | 41 1/3 | 9 |
| 8 | 42 | 9.5 |
NEED FURTHER ASSISTANCE?
The Sports Edit size recommendation:
For adidas trainers we generally recommend taking your usual trainer size, however, if intending to use for running, you may want to size up by half a size for a more comfortable fit.
Not sure which size to choose?
If you have any questions or need help deciding, that’s what we’re here for! Please contact our customer service team who would be happy to assist - email us support@thesportsedit.com or call us on 0203 793 0964.
Delivery
UK Delivery
- FREE UK Standard Delivery on orders over £70 - 2-4 working Days
- Standard UK Delivery (Yodel) - 2-4 working days - £3.50
- Express Delivery (Yodel) - 1-2 working days (Order before 5pm. Excludes weekends and Bank holidays) - £4.50
- Next Day Delivery (DPD) - 1 working day (Order before 5pm. Excludes weekends and Bank holidays) - £5.95
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
Delivery Information
Shipping to Europe:Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
Delivery Information
Shipping to the USA:Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
Delivery Information
Shipping internationally? Click here for rates.
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
Delivery to Germany
- FREE Standard Delivery on orders over €130 (Fedex) - 2-6 working Days
- Standard Delivery (Fedex) - 2-6 working Days - €5
- Express Delivery on orders up to €150 (DHL) - 1 working day (Order before 5pm. Excludes weekends and Bank holidays) - €13
- Express Delivery (DPD) - 3-5 working days (Order before 5pm. Excludes weekends and Bank holidays) - €16
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
Delivery to Ireland
- FREE Standard Delivery on orders over €130 (Fedex) - 2-5 working Days
- Standard Delivery (Fedex) - 2-5 working Days - €5
- Express Delivery on orders up to €150 (DHL) - 1 working day (Order before 5pm. Excludes weekends and Bank holidays) - €13
- Express Delivery (DPD) - 2-5 working days (Order before 5pm. Excludes weekends and Bank holidays) - €18
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
Returns
UK Returns Information
- Free UK Returns
- 30 Day No Quibble Return Policy
- We work with ReBOUND to offer you printer and no-printer options to return your item to us to make it as easy and convenient as possible
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
EU Returns Information
- 30 Day No Quibble Return Policy
- We work with ReBOUND to offer you options to return your item to us to make it as easy and convenient as possible
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
US Returns Information
- Returns to a US warehouse for speedy processing
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
International Returns Information
- 30 Day No Quibble Return Policy
- We work with ReBOUND to offer you options to return your item to us to make it as easy and convenient as possible
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
Germany Returns Information
- Free Germany Returns
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
Ireland Returns Information
- 30 Day No Quibble Return Policy
- We work with ReBOUND to offer you options to return your item to us to make it as easy and convenient as possible
Have more questions? Visit our delivery page or get in touch via support@thesportsedit.com
Delivery
See below for the full range of delivery services we offer.
| FREE Standard UK (Royal Mail) | 2-3 Working Days | FREE orders over £60 |
| Standard UK (Royal Mail) | 2-3 Working Days | £3.95 |
| Next Day UK (DPD) | Next Day | order before 1pm £5.95 |
| Standard Shipping | ||
| FREE Standard Europe (Royal Mail International) | 5-10 working days | FREE on orders over £159 |
| Austria, Belgium, Spain, Germany, France, Netherlands (Standard - Royal Mail International) | 5-10 working days | £4.50 |
| Greece, Italy, Republic of Ireland, Finland, Sweden, Denmark - (Standard Royal Mail International) | 5-10 working days | £6.50 |
| Romania - (Standard Royal Mail International) | 5-10 working days | £7.95 |
| Express Shipping | ||
| Republic of Ireland - (Express DHL) | 1-3 working days | £10.95 |
| Austria, Belgium, Spain, Germany, France, Netherlands - (Express DHL) | 1-3 working days | £12.50 |
| Greece, Italy, Finland, Sweden, Denmark - (Express DHL) | 2-4 working days | £13.50 |
| Romania - (Express DHL) | 2-4 working days | £14.50 |
| Standard Shipping | ||
| FREE Standard Royal Mail (Royal Mail International) | 7-10 working days | FREE on orders over £115 |
| USA - (Standard Royal Mail International) | 7-10 working days | £8 |
| Canada - (Standard Royal Mail International) | 7-10 working days | £5.95 |
| Australia - (Standard Royal Mail International) | 7-10 working days | £9 |
| Hong Kong - (Standard Royal Mail International) | 7-10 working days | £7.95 |
| Express Shipping | ||
| Canada - (Express DHL) | 1-3 working days | £13.95 |
| USA - (Express DHL) | 1-3 working days | £10.95 |
| Hong Kong - (Express DHL) | 1-4 working days | £15.95 |
The Details
Ultraboost 21 is back in a winterised COLD.RDY style. The insulated upper sheds water to keep your feet warm and dry. A Continental WinterGrip Rubber outsole keeps your footing secure on steep downhills and slippery stairs, while the responsive Boost cushioning delivers incredible energy return and comfort.
- Primeknit+ textile upper
- Stretchweb outsole
- Continental Rubber for traction
- Lace closure
- Responsive cushioning
- Supportive heel counter
Manufacturing No. S23754
Size & Fit
Size Guide
All trainers on thesportsedit.com are shown in UK sizes.
adidas Ultraboost 21 runs small, we recommend going up a half size for a regular fit.
Sock-like fit
Weight: 340 g Midsole drop: 10 mm (heel 30.5 mm / forefoot 20.5 mm)
Fabric & Care
adidas Primeknit+ textile upper, Primeblue, Boost midsole, Stretchweb outsole with Continental Rubber
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