Size Chart

Metric Size 52 53 54 55 56 57 58
US Hat Size 6 ½ 6 ⅝ 6 ¾ 6 ⅞ 7 7 ⅛ 7 ¼
Head Size Inches 20 ½ 20 ⅞ 21 ⅛ 21 ½ 21 ⅞ 22 ¼ 22 ⅝
Metric Size 59 60 61 62 63 64
US Hat Size 7 ⅜ 7 ½ 7 ⅝ 7 ¾ 7 ⅞ 8
Head Size Inches 23 23 ½ 23 ⅞ 24 ¼ 24 ⅝ 25