Hand crafted in Italy, the instantly classic UNO low-top sneaker is presented in full-grain pebbled Italian calf leather, the finest part of the calf. Artfully constructed with hand painted edges, galvinized gold alloy lace grommets and heel hardware. EVA sole developed exclusively for BUSCEMI. 50 millimeters in height.
| Italian BUSCEMI | French | US | UK | Japan |
| 39 | 40 | 6 | 5 | 24 |
| 40 | 41 | 7 | 6 | 25 |
| 41 | 42 | 8 | 7 | 26 |
| 42 | 43 | 9 | 8 | 27 |
| 43 | 44 | 10 | 9 | 28 |
| 44 | 45 | 11 | 10 | 29 |
| 45 | 46 | 12 | 11 | 30 |
| 46 | 47 | 13 | 12 | 31 |
| 47 | 48 | 14 | 13 | 32 |
| 48 | 49 | 15 | 14 | 33 |
| 49 | 50 | 16 | 15 | 34 |
| 50 | 51 | 17 | 16 | 35 |
| 51 | 52 | 18 | 17 | 36 |
| Italian BUSCEMI | French | US | UK | Japan |
| 35 | 36 | 5 | 2 | 22 |
| 35.5 | 36.5 | 5.5 | 2.5 | 22.5 |
| 36 | 37 | 6 | 3 | 23 |
| 36.5 | 37.5 | 6.5 | 3.5 | 23.5 |
| 37 | 38 | 7 | 4 | 24 |
| 37.5 | 38.5 | 7.5 | 4.5 | 24.5 |
| 38 | 39 | 8 | 5 | 25 |
| 38.5 | 39.5 | 8.5 | 5.5 | 25.5 |
| 39 | 40 | 9 | 6 | 26 |
| 39.5 | 40.5 | 9.5 | 6.5 | 26.5 |
| 40 | 41 | 10 | 7 | 27 |
| 40.5 | 41.5 | 10.5 | 7.5 | 27.5 |
| 41 | 42 | 11 | 8 | 28 |
| 41.5 | 42.5 | 11.5 | 8.5 | 28.5 |
| 42 | 43 | 12 | 9 | 29 |
| 42.5 | 43.5 | 12.5 | 9.5 | 29.5 |
| Italian BUSCEMI | US | Inches | Centimeters |
| 24 | 8 | 6.30 | 16.0 |
| 25 | 9 | 6.55 | 16.65 |
| 26 | 9.5 | 6.71 | 17.05 |
| 27 | 10.5 | 6.97 | 17.7 |
| 28 | 11.5 | 7.22 | 18.35 |
| 29 | 12.5 | 7.48 | 19.0 |
| 30 | 13 | 7.74 | 19.65 |
| 31 | 13.5 | 7.99 | 20.3 |
| 32 | 1.5 | 8.27 | 21.0 |
| 33 | 2.5 | 8.52 | 21.65 |
| 34 | 3.5 | 8.78 | 22.3 |
| Italian BUSCEMI | US |
| 80 | 32 |
| 85 | 34 |
| 90 | 36 |
| 95 | 38 |
| 100 | 40 |
| 105 | 42 |
| Italian BUSCEMI | Inches | Centimeters |
| S/M | 21.65 | 55 |
| M/L | 22.44 | 57 |
| Italian BUSCEMI | Age | Inches | Centimeters |
| 17 | 0 - 6 Months | 4.33 | 11.0 |
| 19 | 6 - 12 Months | 4.88 | 12.4 |
