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Footwear marking system
Currently, five basic types of shoe size designations are most commonly used in the world and in the Czech Republic:
Whole numbers | Half-numbers | |
Mondopoint (mm) | 5 or 7.5 mm | - |
Metric (cm) | 10mm | 5mm |
English (inches) | 1/3 inch = 8.4 mm | 1/6 inch = 4.2 mm |
American (inch) | 1/3 inch = 8.4 mm | 1/6 inch = 4.2 mm |
French (stitch) | 6.66mm |
Children's shoe sizes
| Circumference group G - normal and narrow leg | ||||
| Size | Insole length in mm | Insole width in mm | Spike height in mm | OPK (finger joint circumference) mm |
| 17 | 110 | 51 | 17 | 148 |
| 18 | 116 | 52 | 18 | 152 |
| 19 | 122 | 53 | 18 | 155 |
| 20 | 128 | 55 | 19 | 160 |
| 21 | 134 | 57 | 19 | 163 |
| 22 | 141 | 58 | 19 | 167 |
| 23 | 147 | 59 | 19 | 171 |
| 24 | 153 | 61 | 21 | 175 |
| 25 | 160 | 62 | 21 | 179 |
| 26 | 166 | 64 | 21 | 183 |
| 27 | 172 | 66 | 21 | 187 |
| 28 | 178 | 67 | 22 | 191 |
| 29 | 184 | 68 | 22 | 195 |
| 30 | 190 | 70 | 22 | 199 |
| 31 | 196 | 72 | 22 | 203 |
| 32 | 203 | 74 | 22 | 206 |
| 33 | 210 | 75 | 22 | 210 |
| 34 | 216 | 76 | 22 | 214 |
Length and dimensions of laces
Are you looking for new shoelaces, but not sure how long they should be?
Determining the right length is even easier than you think.
You only need to know one piece of information, and that is the number of holes in the shoe.
Based on this, you can easily derive the approximate length of the laces you need.
| Number of eyelets for laces (on the one hand) | Approximate length (in cm) |
| 2 | 50 |
| 3 | 60 |
| 4 | 70 |
| 5 | 80 |
| 6 | 90 |
| 7 | 110 |
| 8 | 120 |
| 9 | 140 |
| Sport | 180-240 |
