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Ultraboost 20 S. Sneakers
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Color:
Ltflye/Sofpow/Utiblk

Size
3.5
3.5
Listed in UK sizing. Runs small, please size up half a size from your usual size.
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- Fabric: Performance Primeknit
- Boost-cushioning midsole
- Stabilizing Torsion system
- Stretchweb with Contintental™ rubber sole
- Integrated tongue
- Ideal for activities like running
- Lace-up closure
- Imported, China
- This item cannot be gift-boxed
Style #ASTEL31513
A lightweight, high-performance addition to your gym-to-street looks, these adidas by Stella McCartney Ultraboost 20 S sneakers are enhanced with a cushioned midsole and a creative color scheme for a pair of running shoes you’ll want to wear on repeat.
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Size Conversions
adidas by Stella McCartney
Ultraboost 20 S. Sneakers
Size Guide
Conversion Guide
Scroll right to view more conversions→
US | UK | EUR/CN | FR | JP | cm. | in. |
---|---|---|---|---|---|---|
5 | 3 | 35 | 36.5 | 22 | 22 | 8.6 |
5.5 | 3.5 | 35.5 | 37 | 22.5 | 22.5 | 8.8 |
6 | 4 | 36 | 37.5 | 23 | 23 | 9 |
6.5 | 4.5 | 36.5 | 38 | 23.5 | 23.5 | 9.2 |
7 | 5 | 37 | 38.5 | 24 | 24 | 9.3 |
7.5 | 5.5 | 37.5 | 39 | 24.5 | 24.5 | 9.5 |
8 | 6 | 38 | 39.5 | 25 | 25 | 9.7 |
8.5 | 6.5 | 38.5 | 40 | 25.5 | 25.5 | 9.8 |
9 | 7 | 39 | 40.5 | 26 | 26 | 10 |
9.5 | 7.5 | 39.5 | 41 | 26.5 | 26.5 | 10.2 |
10 | 8 | 40 | 41.5 | 27 | 27 | 10.3 |
10.5 | 8.5 | 40.5 | 42 | 27.5 | 27.5 | 10.5 |
11 | 9 | 41 | 42.5 | 28 | 28 | 10.7 |
Questions about your size? We’d love to help! For assistance, please contact Customer Service.
About the Designer
In 2005 Stella McCartney and adidas teamed up to transform activewear through great design, playful prints, and a contagious sense of energy. Stella McCartney translates her signature tailoring and soft femininity into sleek high-performance fabrics and functional details, creating pieces that work hard and hold their own on a jog down a city street. From tennis dresses to yoga tops, running gear to ski pants, adidas by Stella McCartney brings inspiration to an oft-neglected corner of a woman’s closet.
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