📏Seba ST J Size Chart
The Seba ST J is an adjustable junior inline skate — each setting extends across an EU range so one pair grows with your child. Measure your child’s foot length in cm (Mondo) and match it to the adjustable range below.
How to measure: Place your child’s foot flat against a wall on a sheet of A4 paper. Draw a line at the tip of the longest toe and measure the distance to the edge of the paper — that cm value is the size to match.
| Foot (cm) | EU | US | UK |
|---|---|---|---|
| 16 – 18.5 | 26 – 30 | 9.5J – 12.5J | 9J – 12J |
| 19 – 21.5 | 31 – 34 | 13J – 2.5 | 12.5J – 2 |
| 22 – 24 | 35 – 38 | 3 – 7 | 2.5 – 4.5 |
Width Guide
The Seba ST J is a Medium width.
Adjustable Sizing
The Seba ST J has an adjustable shell — each size extends across an EU range so one skate grows with your child. Match your child’s foot length in cm (Mondo) to the range above.
Fitting for COMFORT
Upsize to make full use of the adjustable range — start at the smaller end of a bracket and extend the shell as the foot grows.
Fitting for PERFORMANCE
Upsize and add a thicker insole to fill the space for a snug fit now.
Adjustable Shell
The shell extends across the size range — lengthen it as the foot grows, so one skate lasts several sizes.
Insoles
Add an insole to fill space if you upsize; remove a layer as the foot grows.
✓ How it should feel
Extremely snug at the sides; space at the toe is fine as the child is growing — toes touching or reaching the end is best.
✗ How it should NOT feel
Toes curling up, or the heel lifting in the skate after tightening.
Size Chart Disclaimer. This chart reflects measurements supplied by Seba. The ST J is an adjustable junior skate covering EU 26–38 across three settings. We cannot be held responsible for incorrect size purchases — when in doubt, message us before ordering.
Google Reviews
