













(Women) adidas by Stella McCartney Ultraboost 23 'Clear Onix' IE8721

Experience unmatched comfort and performance with the adidas by Stella McCartney Ultraboost 23 'Clear Onix' IE8721, a premium running shoe blending eco-conscious innovation with high-fashion design. Crafted with precision, this lightweight sneaker features adidas' responsive Ultraboost technology, delivering exceptional energy return with every step. Its breathable knit upper, made from a blend of recycled materials, ensures a snug yet flexible fit, keeping your feet cool and supported during intense activities. The sleek 'Clear Onix' colorway, enhanced with subtle accents, exudes modern elegance, making it versatile enough for workouts or casual wear. Designed collaboratively with Stella McCartney, it reflects a commitment to sustainability and elevated style, catering to the environmentally conscious without compromising on aesthetics. The durable Continental Rubber outsole offers superior grip on various surfaces, ensuring stability in any terrain. Whether you're running, training, or making a fashion statement, the adidas by Stella McCartney Ultraboost 23 provides the perfect fusion of function and style. Reinvent your movement with this cutting-edge footwear crafted for the modern woman who values performance, comfort, and a planet-friendly approach in every step.
| US W | US M | UK | EU | CM |
|---|
| 5W | 4M | 3.5 | 36 | 22 |
| 5.5W | 4.5M | 4 | 36 2/3 | 22.5 |
| 6W | 5M | 4.5 | 37 1/3 | 23 |
| 6.5W | 5.5M | 5 | 38 | 23.5 |
| 7W | 6M | 5.5 | 38 2/3 | 24 |
| 7.5W | 6.5M | 6 | 39 1/3 | 24.5 |
| 8W | 7M | 6.5 | 40 | 25 |
| 8.5W | 7.5M | 7 | 40 2/3 | 25.5 |
| 9W | 8M | 7.5 | 41 1/3 | 26 |
| 9.5W | 8.5M | 8 | 42 | 26.5 |
| 10W | 9M | 8.5 | 42 2/3 | 27 |
| 10.5W | 9.5M | 9 | 43 1/3 | 27.5 |
| 11W | 10M | 9.5 | 44 | 28 |
| 11.5W | 10.5M | 10 | 44 2/3 | 28.5 |
| 12W | 11M | 10.5 | 45 1/3 | 29 |
| 12.5W | 11.5M | 11 | 46 | 29.5 |
| 13W | 12M | 11.5 | 46 2/3 | 30 |
| 13.5W | 12.5M | 12 | 47 1/3 | 30.5 |
| 14W | 13M | 12.5 | 48 | 31 |
| 14.5W | 13.5M | 13 | 48 2/3 | 31.5 |
| 15W | 14M | 13.5 | 49 1/3 | 32 |
| 15.5W | 14.5M | 14 | 50 | 32.5 |
Novelship employs a strict verification process where each product is unboxed to allow thorough inspection of the product, including the packaging, exterior appearance, interior components, and accessories. Defects and imperfections are flagged, and our authentication team determines the legitimacy of each product before final approval.
- Requests must be made within 30 days of the Shipment Completion Date (from your first contact).
- Products must be unused, in original condition, with the Novelship authentication tag attached.
- Buyers are responsible for return shipping fees.
- Return address will be provided after you agree to the return terms.
- Refund amount will be reviewed and finalized by our internal/finance team, and issued to the original payment method after verification.
Please speak to our Customer Service specialists before performing any such returns. Novelship reserves the final decision on whether a return is allowable.
Requests for size exchanges can only be made within 30 days of the shipping date and are subject to availability.
Please contact our customer service team before returning any product.
For further information, please refer to our Term and Conditions.
Experience unmatched comfort and performance with the adidas by Stella McCartney Ultraboost 23 'Clear Onix' IE8721, a premium running shoe blending eco-conscious innovation with high-fashion design. Crafted with precision, this lightweight sneaker features adidas' responsive Ultraboost technology, delivering exceptional energy return with every step. Its breathable knit upper, made from a blend of recycled materials, ensures a snug yet flexible fit, keeping your feet cool and supported during intense activities. The sleek 'Clear Onix' colorway, enhanced with subtle accents, exudes modern elegance, making it versatile enough for workouts or casual wear. Designed collaboratively with Stella McCartney, it reflects a commitment to sustainability and elevated style, catering to the environmentally conscious without compromising on aesthetics. The durable Continental Rubber outsole offers superior grip on various surfaces, ensuring stability in any terrain. Whether you're running, training, or making a fashion statement, the adidas by Stella McCartney Ultraboost 23 provides the perfect fusion of function and style. Reinvent your movement with this cutting-edge footwear crafted for the modern woman who values performance, comfort, and a planet-friendly approach in every step.
Novelship employs a strict verification process where each product is unboxed to allow thorough inspection of the product, including the packaging, exterior appearance, interior components, and accessories. Defects and imperfections are flagged, and our authentication team determines the legitimacy of each product before final approval.
- Requests must be made within 30 days of the Shipment Completion Date (from your first contact).
- Products must be unused, in original condition, with the Novelship authentication tag attached.
- Buyers are responsible for return shipping fees.
- Return address will be provided after you agree to the return terms.
- Refund amount will be reviewed and finalized by our internal/finance team, and issued to the original payment method after verification.
Please speak to our Customer Service specialists before performing any such returns. Novelship reserves the final decision on whether a return is allowable.
Requests for size exchanges can only be made within 30 days of the shipping date and are subject to availability.
Please contact our customer service team before returning any product.
For further information, please refer to our Term and Conditions.












