Sizing - See Kai Run | Baby Shoes, Toddler Shoes, Kids Shoes. Pre-walkers, First walkers, Sandals, Shoes, Boots. Australia, New Zealandbaby shoes, toddler shoes, infant shoes, kids shoes, booties, pre-walkers, infant footwear, kids sandals, kids sneakers, kids trainers, childrens shoes, kids boots, first walkers, crawlers, Smaller by See Kai Run

Sizing

Choosing the right shoe and the right size

We use US sizes.  The US size is UK sizing plus one (i.e. UK 5= US 6).  However, we strongly advise you carefully follow the below sizing advice. Due to variation in brands, choosing the size based on other brands may lead to an incorrect fit.

Following the advice below will greatly increase the chances of selecting the correct size.  However, following this guide is not a guarantee of a perfect fit. Foot length does not take into account the width and depth of the foot. It is not uncommon for two children with the same foot length to end up with different sizes due to differing foot width/ depth.

Step one: Choose the right shoe

We have three ranges

Smaller: pre-walker shoes for first steps. Sizes 6-9 months to 18-24 months. Our pre-walker range is a pre-dominantly indoor shoe and is designed for babies learning to stand/ take their first steps. Smaller shoes are not suitable for active walkers/ prolonged outdoor use.

See Kai Run: Sizes: US 3 to 9. Ages up to two or three years.

See Kai Run is our first walker shoe range. Designed for a toddler foot, See Kai run shoes and sandals have a wider toe-box to accommodate foot fat pads, which make toddler feet adorably chubby.

The See Kai Run range includes: leather shoes, sandals and boots, sneakers and washable runners.

As the See Kai Run range is a wider fit, some shoes may not suit children with a very narrow foot. When you click on the product description page it will state if the shoe is not suitable for narrow/ skinny feet.

Kai: Sizes: US 8 through to US 3 youth/ adult.

Designed for older toddlers/ pre-schoolers through to junior primary. The Kai range is a slimmer fit, and is more durable for active children.

The Kai range includes: leather shoes, sandals and boots, sneakers and washable runners.

Step two:  Measure each time you order

Children can sometimes skip a size; therefore you should re-measure even if your child is already in See Kai Run shoes. We often find children have grown 1.5 to 2 sizes between the start and end of summer. While you may think your child just needs to move up one size from the closed shoes they were wearing at the end of winter/ spring, this is often not the case.

The nerve endings in children's feet are not yet as developed as they in adult feet. Therefore, if a shoe is too small, children tend to curl their toes and 'soldier on'. When you feel the end of the shoe it may appear there is still some 'growing room', but this is not the case at all. What you are feeling is the space left when children curl their toes in a too-small shoe.

As children often need more room in a closed shoe than a sandal, relying on the fit of their current See Kai Run or Kai sandals may lead to an incorrect size being selected. Remember, the sandals will have stretched after several weeks of wear so while it may seem there is still room in the sandal, this may not be the case in the closed shoes you order in the same size.

Re-measuring is also very important if your child is about to move on from the See Kai Run range to the Kai range. As the Kai range is a slimmer fit, you need to factor this in when you select the size.

Measure twice (three or four times) and order once.

To get an accurate measurement of your child’s foot length, you need to make sure that they are standing up, looking ahead with their weight distributed equally across both feet. The knees should be straight, not bent. Measure both feet as it's common for one foot to be longer than the other. Select the size based on the longest foot.

As children are naturally curious, they’ll want to watch what you’re doing. But when they look down they tend to roll their feet outwards, which shortens the foot.  So it’s worth taking 2,3 even 4 measurements to ensure accuracy.

HOW TO MEASURE

How to Size Your Child's Feet:

  • Have your child stand on a piece of paper on a firm surface.
  • Ensure your child is standing in their usual walking position (the same angle of the feet and distance between feet), standing upright and bearing equal weight on both feet.
  • Mark the longest points of the foot, from the longest toe to the back of the heel. Measure this distance in centimetres to get the length.
  • NOTE: When making the heel mark make sure you angle the pen straight down from the top of the heel, which is the widest part.

I have my child’s foot length. What next?

STEP THREE: ALLOW FOR GROWING ROOM

 

As a general guide:

 

See Kai Run

Slim to average feet:

Sandals: allow 0.5 cm

Closed shoes: allow 1 cm

*Girls’ sandals: if your child has narrow feet it’s best to select a sandals with a double hook and lop closure which enables the sandal to be tightened across the forefoot.

Average feet:

Sandals: 0.5 to I cm

Leather shoes: 1 cm

Sneakers and runners: 1 to 1.5 cm

Wide or chubby feet

Sandals 1 cm (up to 1.5 for extra chubby feet)

Leather shoes: 1-1.5 cm

Sneakers and runners: 1.5 cm

Kai

Slim feet:

Sandals: allow 0.5 cm

Closed shoes: allow 1 cm

Average feet:

Sandals: 0.5 to I cm

Boys Leather shoes: 1 to 1.5  cm

Girls’ slim fit shoes: 1.5 cm

Girls’ regular fit shoes: 1 cm

Sneakers and runners: 1 to 1.5 cm

Wide feet

Sandals: I cm (up to 1.5 cm in closed toe sandals)

Boys Leather shoes: 1.5 cm

Girls’ slim fit shoes: 1.5

Girls’ regular fit shoes: 1-1.5 cm

Sneakers and runners: 1.5cm

 

See Kai Run or Kai?

Around the age of two to three, children’s feet have/ are starting to lose those baby fat pads. When this happens, you may find the See Kai Run range suddenly looks too wide for your child. If your child needs a size US 8 or higher,  and their feet seem to have lost/ are losing those baby fat pads, it’s probably time to move into the Kai range for leather shoes/ sandals. [See Kai Run girls’ sandals with double hook and loop closure may still work as they can be tightened across the forefoot.]

As Kai are a slimmer fit, you may need to go up an extra half a size in closed toe shoes and sandals/sneakers than you would in See Kai Run.

STEP FOUR: SELECT THE SIZE

 

Below is a list of all of our sizes and the corresponding inside length of a shoe in that size. You need to work out which size allows for the growing room required.

For example, your child has average feet that measure 14.5 cm in length.

You are buying closed toe sneakers and are allowing 1 cm growing room.

You would choose a US size 8 sneaker, which has an inside length of 15. 5 cm. Therefore, it allows 14.5 cm for the foot plus 1 cm growing room.

What does youth/ adult sizing mean?

 

Youth/ adult sizes are the first sizes on the adult shoe sizing scale. In general children's shoes go from US 3 to US 13.5. After children have out-grown 13.5, they move onto youth/ adult sizing, which starts at size 1, 2, 3...etc.

We use the term youth or adult to avoid confusion with smaller children's shoe sizing.

If you are unsure about sizing please call us on 1300 249 849.


smaller

Age (months): Length:
0-6 months 4.2 in/10.7 cm
6-9 months 4.5 in/11.5 cm
9-12 months 4.8 in/12.3 cm
12-18 months

5.2 in/13.1 cm

18-24 months 5.5 in/13.9 cm

 

see kai run

  • EU Size
  • US Size
  • Australian
  • Inside Length
  • Approximate Age
  • 19
  • 3
  • 2
  • 4.5 inches/11.5 cm
  • 6-9 months
  • 20
  • 4
  • 3
  • 4.8 inches/12.3 cm
  • 9-12 months
  • 21
  • 5
  • 4
  • 5.2 in/13.1 cm
  • 12-18 months
  • 22
  • 6
  • 5
  • 5.5 in/13.9 cm
  • 18-24 months
  • 23
  • 7
  • 6
  • 5.8 in/14.7 cm
  • 2 years
  • 24
  • 8
  • 7
  • 6.1 in/15.5 cm
  • 2.5 years
  • 25
  • 9
  • 8
  • 6.4 in/16.3 cm
  • 3 years

 

see kai run

  • EU Size
  • US Size
  • Australian
  • Inside Length
  • Approximate Age
  • 24
  • 8
  • 7
  • 6.1 inches/15.5 cm
  • 2.5 - 3 years
  • 24
  • 8.5
  • 7.5
  • 6.3 inches/15.9 cm
  • 2.5 - 3 years
  • 25
  • 9
  • 8
  • 6.4 inches/16.3 cm
  • 3 - 3.5 years
  • 26
  • 9.5
  • 8.5
  • 6.6 inches/16.7 cm
  • 3 - 3.5 years
  • 27
  • 10
  • 9
  • 6.7 inches/17.1 cm
  • 3.5 - 4 years
  • 28
  • 10.5
  • 9.5
  • 6.9 inches/17.5 cm
  • 3.5 - 4 years
  • 29
  • 11
  • 10
  • 7 inches/17.9 cm
  • 4 - 4.5 years
  • 29
  • 11.5
  • 10.5
  • 7.2 inches/18.3 cm
  • 4 - 4.5 years
  • 30
  • 12
  • 11
  • 7.4 inches/18.7 cm
  • 5 - 5.5 years
  • 30
  • 12.5
  • 11.5
  • 7.5 inches/19.1 cm
  • 5 - 5.5 years
  • 31
  • 13
  • 12
  • 7.7 inches/19.5 cm
  • 5.6 - 6 years
  • 31
  • 13.5
  • 12.5
  • 7.8 inches/19.9 cm
  • 5.6 - 6 years
  • 32
  • 1
  • 13
  • 8 inches/20.3 cm
  • 5 - 8 years
  • 33
  • 1.5
  • 13.5
  • 8.1 inches/20.7 cm
  • 5 - 8 years
  • 34
  • 2
  • 1
  • 8.3 inches/21.1 cm
  • 5 - 8 years
  • 34
  • 2.5
  • 1.5
  • 8.5 inches/21.5 cm
  • 5 - 8 years
  • 35
  • 3
  • 2
  • 8.6 inches/21.9 cm
  • 5 - 8 years

 

Printable Sizing Chart

Click here to print the sizing chart  for Smaller, See Kai Run and Kai.

Make sure you print the chart out at 100% for accurate sizing.

'Inside length' on the sizing chart refers to the inside length of the shoe, not your child's foot.

Please allow 0.5 to 1 cm growing room when using this chart. For example, if your child's foot sits on or just under the US 4 size line, you will need a size US 5 to allow for growing room.

How to Size Your Child's Feet:

  • Have your child stand on a piece of paper on a firm surfance.
  • Ensure your child is standing in their usual walking position (the same angle of the feet and distance between feet), standing upright and bearing equal weight on both feet.
  • Mark the longest points of the foot, from the longest toe to the back of the heel. Measure this distance in centimeters to get the length.
  • NOTE: When making the heel mark make sure you angle the pen straight down from the top of the heel which is the widest part.
  • Allow .5 - 1 cm extra when selecting shoe size, more if the child will wear thick socks with the shoes.
  • Measure often - children's feet grow quickly. Measure at least every 2 months during the first year, and every 3 months from 1 - 3 years. You never can tell when your child will have a growth spurt!

Transitioning from Smaller sizing to See Kai Run Sizing

If your child is about to transition from the Smaller range to the See Kai Range the following guide will help you choose the right size in the See Kai Run range:  

  • Size US 3 is equivalent to 6-9 months in the Smaller range.
  • Size US 4 is equivalent to 9-12 months in the Smaller range.
  • Size US 5 is equivalent to 12-18 months in the Smaller range.
  • Size US 6 is equivalent to 18-24 months in the Smaller range.
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