Hat size 58 means the hat is designed for a head circumference of 58 cm (approximately 22.8"). In US sizing this is 7¼.
| EU/cm | US | UK | USSR/RU |
|---|---|---|---|
| 52 | 6½ | 6½ | 52 |
| 53 | 6⅝ | 6⅝ | 53 |
| 54 | 6¾ | 6¾ | 54 |
| 55 | 6⅞ | 6⅞ | 55 |
| 56 | 7 | 7 | 56 |
| 57 | 7⅛ | 7⅛ | 57 |
| 58 | 7¼ | 7¼ | 58 |
| 59 | 7⅜ | 7⅜ | 59 |
| 60 | 7½ | 7½ | 60 |
| 61 | 7⅝ | 7⅝ | 61 |
| 62 | 7¾ | 7¾ | 62 |
Size 58 in Soviet Hats
Soviet ushankas and shapkas in size 58 were the most common adult size produced. If you find an unmarked vintage Soviet hat, try measuring the interior circumference — 58 cm is highly likely.