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Celebrate bold style with the F50 Formotion Sp5der shoes, a collaboration that fuses adidas Originals heritage with Sp5der’s rebellious energy, giving iconic design a contemporary edge. These shoes feature adidas Formotion, designed to free your movement, not restrict it. With a regular fit and classic lace closure, they’re a versatile choice for everyday wear. The combination of leather and synthetic materials on the upper brings lasting durability and a sleek, modern look, while the soft textile lining adds comfort to each step. These shoes are crafted for trendsetters who demand both everyday ease and a statement look. With adidas, each detail is considered, for footwear that invites you to express your individuality wherever you go.
Size conversions may vary per brand and style and may not fully match the conversions shown below. If you are not sure about your size, please contact us for assistance. info@extrabutterny.com
Our standard sizing runs in US Sizing
Unisex is typically in US Mens Sizing unless stated otherwise.
| Heel-toe | 22.1 cm | 22.5 cm | 22.9 cm | 23.3 cm | 23.8 cm | 24.2 cm | 24.6 cm | 25 cm | 25.5 cm | 25.9 cm | 26.3 cm | 26.7 cm | 27.1 cm | 27.6 cm | 28 cm | 28.4 cm | 28.8 cm | 29.3 cm | 29.7 cm | 30.1 cm | 30.5 cm | 31 cm | 31.4 cm | 31.8 cm | 32.6 cm | 33.5 cm | 34.3 cm | 35.2 cm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EU | 36 | 36 2/3 | 37 1/3 | 38 | 38 2/3 | 39 1/3 | 40 | 40 2/3 | 41 1/3 | 42 | 42 2/3 | 43 1/3 | 44 | 44 2/3 | 45 1/3 | 46 | 46 2/3 | 47 1/3 | 48 | 48 2/3 | 49 1/3 | 50 | 50 2/3 | 51 1/3 | 52 2/3 | 53 1/3 | 54 2/3 | 55 2/3 |
| UK | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 16 | 17 | 18 | 19 |
| US - Men | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 16 | 17 | 18 | 19 | 20 |
| US - Women | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 |
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For tight fit, go one size down.
For a loose fit, go one size up.

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