How To Tell If Your Child Has Outgrown Their Sandals: 5 Signs To Look For
Posted on Jun 05, 2026

How To Tell If Your Child Has Outgrown Their Sandals: 5 Signs To Look For

Has Your Child Outgrown Their Sandals?

Children's feet can grow surprisingly quickly, especially during the warmer months. While many parents regularly check the fit of school shoes, children's sandals are often worn for an entire season without being remeasured.

Knowing when your child has outgrown their sandals is important for comfort, healthy foot development and confident movement. Many children continue wearing sandals that are too small long before they show obvious signs of wear.

Here are five signs it may be time to size up.

1. Their Toes Are Reaching The Edge.

One of the easiest signs to spot is when your child's toes are sitting right at the front of the sandal or extending beyond the sole.

Children need a little growing room to allow for natural movement and foot growth. If their toes are touching the edge, it's usually a sign that the sandals are becoming too small.

A well-fitting pair of children's sandals should provide enough space for growing feet without compromising stability.

2. Their Heel Is Overhanging.

Take a look at the back of the sandal when your child is standing.

If the heel is hanging over the edge of the sole, even slightly, the sandal is unlikely to be providing the comfort and support it was designed for.

A properly fitting sandal should comfortably accommodate the entire foot within the sole.

3. Red Marks From Straps.

After a day of wear, check your child's feet for signs of rubbing or irritation.

Temporary impressions from straps can be normal, but persistent red marks, pressure points or rubbing may indicate that the sandal has become too tight.

This is particularly important during summer when feet can naturally swell in warmer weather.

4. They're Complaining About Comfort.

Children don't always describe fit issues in the same way adults do.

Listen out for comments such as:

  • "My shoes feel tight."
  • "These hurt."
  • "I don't want to wear those."
  • "Can I wear my trainers instead?"

Even if there are no obvious signs of wear, discomfort is often one of the first indicators that a sandal no longer fits correctly.

5. More Trips And Stumbles.

A sandal that is too small can affect how comfortably a child moves.

If you've noticed more trips, stumbles or awkward walking than usual, it may be worth checking the fit. Restricted foot movement can make it harder for children to walk, run and play naturally.

Why Wearing Sandals That Are Too Small Matters

Children's feet are still developing, which is why proper fit is so important.

Sandals that are too small can contribute to:

  • Pressure points
  • Blisters and rubbing
  • Reduced comfort
  • Restricted natural movement
  • Less confidence during active play

Well-fitting children's sandals allow feet to move naturally while providing comfort and support throughout the day.

According to the College of Podiatry, children's feet should be measured regularly throughout childhood, as rapid growth can quickly affect footwear fit. Footwear that is too small may lead to discomfort, rubbing and changes in walking patterns.

Podiatrist's Tip

If your child suddenly becomes reluctant to wear a favourite pair of sandals, don't assume they're simply being fussy. Discomfort caused by a poor fit is often one of the earliest signs that footwear needs replacing.

How Much Growing Room Should Children's Sandals Have?

Young Soles Noah Fisherman kids sandal with rubber sole

As a general guide, we recommend allowing approximately 10–12mm of growing room at the front of the sandal.

This helps accommodate natural foot movement while ensuring the sandal remains secure and comfortable.

It's important to strike the right balance. Too little room can restrict movement, while too much can affect stability and fit.

For more information on healthy foot development, take a look at our guide to children's foot health.



How Often Should You Measure Your Child's Feet?

Children's feet can grow by as much as two shoe sizes in a year during periods of rapid development, which is why regular measurement is so important.

For the best fit, we recommend measuring your child's feet every few months and always before purchasing new children's sandals, shoes or boots.

Using a reliable children's foot measuring tool helps ensure there is enough growing room while maintaining a secure fit.

How To Measure Your Child's Feet At Home.

The easiest way to check whether your child is ready for the next size is to measure their feet regularly throughout the year.

Our free Size Wise tool makes it simple to find the correct Young Soles size from the comfort of your own home.

Simply follow the instructions, measure your child's feet and we'll recommend the most appropriate size.

Try SizeWise

Our Favourite Children's Sandals For Summer

Young Soles Pearl kids sandal with rubber sole

Pearl

Our signature double-buckle sandal, featuring adjustable buckles at both the toe and ankle for a secure, personalised fit. Pearl is ideal for holidays, everyday adventures and special occasions alike.

Rhonda

Our first barefoot sandal, Rhonda is designed to support natural foot movement while providing the flexibility and freedom growing feet need. Featuring a wide toe box, flexible sole and lightweight construction, Rhonda offers a more natural walking experience without compromising on style.

Young Soles Flo Tassel kids sandal with rubber sole


Noah

A timeless fisherman sandal combining classic styling with practical protection for active little feet.

Flo

A beautifully crafted vintage-inspired sandal featuring delicate cut-out detailing and a classic heritage look. Flo is perfect for summer parties, family occasions and everyday adventures.

Sonny

A retro-inspired summer sandal with a sporty feel, combining comfort, flexibility and effortless style for active little feet.

Find The Perfect Fit This Summer

Checking your child's sandals regularly is one of the simplest ways to help keep growing feet comfortable and happy throughout the season.

If you're unsure whether it's time for a new pair, start by measuring their feet using our Size Wise tool and exploring our latest collection of children's leather sandals.

Shop the Summer Sandals Collection →