Superfit size chart
0-2 years
| foot length (mm) | 102-107 | 108-113 | 114-119 | 120-125 | 126-131 | 132-137 | 138-143 | 144-149 | 150-155 | 156-161 |
|---|---|---|---|---|---|---|---|---|---|---|
| shoe size | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
2-5 years
| foot length (mm) | 162-168 | 169-174 | 175-180 | 181-187 | 188-193 | 194-200 | 201-207 | 208-213 | 214-220 |
|---|---|---|---|---|---|---|---|---|---|
| shoe size | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 |
5-16 years
| foot length (mm) | 188-193 | 194-200 | 201-207 | 208-213 | 214-220 | 221-227 | 228-233 | 234-240 | 241-247 | 248-253 | 254-260 | 261-267 | 268-274 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| shoe size | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 |
Shoe size calculator
Calculate the correct shoe size for your child
Enter the foot length (from 108 mm)
How to correctly measure foot length:
- Take off your child's shoes and let them take a few steps in socks. For the best results measure in the afternoon or evening, as feet can swell slightly during the day.
- Mark the foot length with a pencil in front of the longest toe. Make sure the pencil is always held perpendicular (at a right angle) to the paper, otherwise the measurement may be distorted. Then repeat the process with the other foot.
- Measure the distance from the bottom edge of the sheet (the side against the wall) to the drawn line and enter the result in millimetres into the Superfit size calculator.
If the feet have different lengths, use the longer foot as reference.
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Superfit BIOS FLEX 1-000147-4010
About the product
Superfit BIOS FLEX - Girls' Slippers for Maximum Comfort
Discover the perfect combination of style and comfort with Superfit BIOS FLEX girls' slippers, ideal for everyday wear.
Key Features:
- Stylish Design: Beige slippers with an attractive look that complements any outfit.
- Comfortable Wear: Made from high-quality textile, the material ensures a comfortable feel throughout the day.
- Practical Fastening: With a buckle for easy on and off, which every active girl will appreciate.
Superfit BIOS FLEX are designed with an emphasis on comfort, while the modern design attracts attention. Unlined and with a flexible Ethylene-vinyl acetate (EVA) sole, they are an ideal choice for warm days. Choose quality and style with these practical slippers!
Size chart
Superfit size chart
0-2 years
| foot length (mm) | 102-107 | 108-113 | 114-119 | 120-125 | 126-131 | 132-137 | 138-143 | 144-149 | 150-155 | 156-161 |
|---|---|---|---|---|---|---|---|---|---|---|
| shoe size | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
2-5 years
| foot length (mm) | 162-168 | 169-174 | 175-180 | 181-187 | 188-193 | 194-200 | 201-207 | 208-213 | 214-220 |
|---|---|---|---|---|---|---|---|---|---|
| shoe size | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 |
5-16 years
| foot length (mm) | 188-193 | 194-200 | 201-207 | 208-213 | 214-220 | 221-227 | 228-233 | 234-240 | 241-247 | 248-253 | 254-260 | 261-267 | 268-274 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| shoe size | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 |
Shoe size calculator
Calculate the correct shoe size for your child
Enter the foot length (from 108 mm)
How to correctly measure foot length:
- Take off your child's shoes and let them take a few steps in socks. For the best results measure in the afternoon or evening, as feet can swell slightly during the day.
- Mark the foot length with a pencil in front of the longest toe. Make sure the pencil is always held perpendicular (at a right angle) to the paper, otherwise the measurement may be distorted. Then repeat the process with the other foot.
- Measure the distance from the bottom edge of the sheet (the side against the wall) to the drawn line and enter the result in millimetres into the Superfit size calculator.
If the feet have different lengths, use the longer foot as reference.



