Rubber boot River Thermo boot Mason Insole length (CM) Insole length (Inch) Height of shaft (CM) Height of shaft (Inch) EUR size UK size US size
143 5 5/8 15.5 6 1/8 22 6 6.5
151 6 15.5 6 1/8 23 7 7.5
158 6 1/4 18.5 7 3/8 24 8 8.5
165 6 1/2 18.5 7 3/8 25 8.5 9
171 6 3/4 18.5 7 3/8 26 9 9.5
178 7 18.5 7 3/8 27 10 10.5
185 7 3/8 20.5 8 1/8 28 11 11.5
191 7 1/2 20.5 8 1/8 29 11.5 12
197 7 3/4 20.5 8 1/8 30 12 12.5
204 8 20.5 8 1/8 31 13 13.5
212 8 3/8 22.5 8 7/8 32 13.5 1
217 8 5/8 22.5 8 7/8 33 1 1.5
225 8 7/8 22.5 8 7/8 34 2 2.5
230 9 22.5 8 7/8 35 2.5 3