Model: 5843ITZPH
Colours:White
| Feet size (in CM) | US mens size | US womens size | EU size | UK size |
| 23 | 4 | 5.5 | 35 | 3 |
| 23.4 | 4.5 | 6 | 36 | 3.5 |
| 23.8 | 5 | 6.5 | 37 | 4 |
| 24.3 | 5.5 | 7 | 38 | 4.5 |
| 24.6 | 6 | 7.5 | 39 | 5 |
| 25.1 | 6.5 | 8 | 39.5 | 5.5 |
| 25.5 | 7 | 8.5 | 40 | 6 |
| 25.9 | 7.5 | 9 | 40.5 | 6.5 |
| 26.3 | 8 | 9.5 | 41.5 | 7 |
| 26.8 | 8.5 | 10 | 42 | 7.5 |
| 27.2 | 9 | 10.5 | 42.5 | 8 |
| 27.6 | 9.5 | 11 | 43.5 | 8.5 |
| 28 | 10 | 11.5 | 44 | 9 |
| 28.5 | 10.5 | 12 | 44.5 | 9.5 |
| 28.9 | 11 | 12.5 | 45 | 10 |
| 29.3 | 11.5 | 13 | 46 | 10.5 |
| 29.7 | 12 | - | 46.5 | 11 |
| 30.1 | 12.5 | - | 47 | 11.5 |
| 30.6 | 13 | - | 48 | 12 |
| 31 | 14 | - | 49 | - |
The Synchron 2021 Utilizes Advanced midsole Materials To Offer The softest karhu Collection.The Redesigned internal Fulcrum Unit Is More Flexible than before which accentuates the cushion And Improves the Transition. the Adjusted upper Moves easily With the Foot and Accommodate A Broader range Of Foot Shapes.Newly Added Is the Open-cell foam Insole for A Plush feel.
Technologies:-½ Length Fulcrum -idealknit-ortix Fit-aerofoam-m-lock
-open-cell foam Insole
Weight Us10: 360g / 12.7 ozheel-to-toe Drop: 8mm
