Superfit Size and Fit guide

Brand & fit at a glance

Size system
EU
Fit
True to length; WMS width fittings
Origin
Austria
Best for
School shoes & Gore-Tex boots

About Superfit: Superfit is an Austrian children’s footwear brand, part of the Legero group and a WMS-certified maker of school shoes, trainers and Gore-Tex boots. We stock them for parents who want a proper width fitting rather than a one-width-fits-all shoe. Sizes are EU on the box. Superfit publish foot length in millimetres against each EU size on their website, and that is the conversion to use.

Superfit fit & sizing tips

  • True to length, and check the WMS width. Superfit makes each size in narrow, medium and wide (W) fittings through the WMS system, so matching the width matters as much as the length.
  • Medium is not the same as wide. Standard medium-width Superfit styles can feel narrower than brands like Kickers or Kavat; if your child has a wider foot or high instep, look for a W fitting in the same length rather than sizing up.
  • Gore-Tex styles keep feet dry. Many Superfit boots and shoes use a Gore-Tex membrane that is waterproof and breathable, which suits wet school runs and active playground days.
  • Our take. A strong choice when width fitting matters. Come in for a proper measure if you are unsure, especially for Gore-Tex boots where thick winter socks take up extra room.

Superfit Children’s Shoes

This is Superfit’s own children’s chart, from babies through to the teenage sizes. Match the longer foot in millimetres to the EU size; width is separate, and they make narrow, medium and wide fittings on the WMS system. Sizes on our site come and go with stock.

Superfit children’s shoes size conversion
UK EU Foot mm
2 17 102–107
2.5 18 108–113
3 19 114–119
4 20 120–125
5 21 126–131
5.5 22 132–137
6.5 23 138–143
7 24 144–149
7.5 25 150–155
8.5 26 156–161
9 27 162–168
10 28 169–174
11 29 175–180
12 30 181–187
12.5 31 188–193
13 32 194–200
1 33 201–207
2 34 208–213
2.5 35 214–220
3 36 221–227
4 37 228–233
5 38 234–240
6 39 241–247
40 248–253

Source: superfit.com size guide. UK sizes added from our own size range

Glossary

WMS width fitting

The WMS system gives each Superfit length in narrow, medium and wide (W) fittings, so length and width are matched separately rather than guessing with a half size up or down.

Gore-Tex lining

A breathable, waterproof membrane fitted inside many Superfit styles to keep feet dry in wet weather.

Removable footbed

A cushioned insole that lifts out for cleaning or to check growing room. Many Superfit insoles carry a “perfect fitting line” to show how much toe space is left.

Frequently Asked Questions

What does the WMS width system mean on Superfit shoes?

WMS is the German Shoe Institute’s width standard for children’s footwear. Superfit makes each length in narrow, medium and wide (W) fittings, so your child gets the right width as well as the right length. We can measure both in the shop if you are unsure.

Are Superfit shoes good for wide feet or a high instep?

Yes, but choose a wide (W) fitting rather than assuming every Superfit style is roomy. Medium-width models suit an average to narrower foot, while W gives extra space in the forefoot for wider feet and higher insteps.

How much growing room should I leave in Superfit children’s shoes?

Superfit already build growing room into the size. On styles with a removable insole, the toes should reach the lower line and not pass the upper one, with the perfect fitting line as the ideal spot. Recheck every six to eight weeks while feet are growing quickly.

Are Superfit Gore-Tex boots waterproof enough for school?

In our experience they are a reliable choice for wet school runs and playground puddles. The Gore-Tex membrane keeps water out while letting perspiration escape, which matters on active days. A quick wipe and air dry keeps them going.

How do I use the removable insole to check the fit?

Lift out the insole and stand your child on it with their heel at the back. You should see roughly a thumb’s width beyond the longest toe, and the fitting line if the shoe has one. Slide it back in and feel along the sides for pressure on the little toe or across the instep.

Do Superfit shoes run small or large?

They are generally true to the length on Superfit’s own size chart, but parents often find medium-width styles feel narrower than brands like Kickers or Kavat. If a medium feels tight across the foot, a wide fitting in the same length is usually the answer, not necessarily a size up.

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