unisex

US size M4/W6 M5/W7 M6/W8 M7/W9 M8/W10 M9/W11 M10/W12 M11 M12 M13
Euro size 36-37 37-38 38-39 39-40 41-42 42-43 43-44 44-45 45-46 46-47

Woman

US size 4 5 6 7 8 9 10 11
Euro size 34-35 35-36 36-37 37-38 38-39 39-40 40-41 41-42
Lenght (mm) 212 221 229 238 246 255 263 272
Conversion ITA suggested 35 36 37 38 39 40 41 42

Man

US size 7 8 9 10 11 12 13
Euro size 39-40 41-42 42-43 43-44 44-45 45-46 46-47
Lenght (mm) 246 255 263 272 280 288 297
Conversion ITA suggested 40 41 42 43 44 45 46

Youth

US size J1 J2 J3 J4 J5 J6
Euro size 32-33 33-34 34-35 36-37 37-38 38-39
Lenght (mm) 200 208 217 225 233 242
Conversion ITA suggested 31.5 33.5 35.5 37 38 39

Tiny

US size C2/3 C4 C4/5 C5 C6 C6/7 C7 C8 C8/9 C9 C10 C10/11 C11 C12 C12/13 C13
Euro size 17-19 19-20 19-21 20-21 22-23 22-24 23-24 24-25 24-26 25-26 27-28 27-29 28-29 29-30 29-31 30-31
Lenght (mm) 98-107 115 115-123 123 132 132-140 140 149 149-157 157 166 166-174 174 183 183-191 191
Conversion ITA suggested 19.5 21 21.5 22 23 23.5 24 25 25.5 26 27 27.5 28 29 29.5 30