See Kai Run Size Chart: Measure and Find the Perfect Fit


As parents, selecting the appropriate footwear for our children is one of the most crucial decisions we make. The perfect pair of shoes should not only provide comfort and support but also promote healthy foot development. See Kai Run is a renowned brand that specializes in children’s footwear with a deep understanding that kids’ feet are constantly growing and changing. To address this, they have designed a sizing chart tailored to accommodate the ever-changing and developing foot of a child.

In this article, we will delve into the See Kai Run size chart, covering everything from when and how to measure your child’s feet to finding the ideal fit. Armed with this essential information, you will be equipped to make informed decisions when purchasing your child’s next pair of shoes.

The Importance of Choosing the Right Shoe Size

Selecting the correct shoe size is of utmost importance for your child’s foot health and development. Ill-fitting shoes, whether too tight or too loose, can lead to discomfort, pain, and even long-term foot problems. Moreover, shoes that don’t fit properly can affect your child’s gait and balance, increasing the risk of injuries.

Understanding the See Kai Run Size Chart

The See Kai Run size chart is intelligently designed to help parents find the perfect fit for their child’s growing feet. It takes into account the child’s age and stage of development and offers a range of sizes that accommodate their continuous growth.

Age and Stages

See Kai Run’s sizing chart is divided into four stages that align with a child’s age and development:

First Walker

  • Age: 9-18 months
  • Development: Crawling and taking first steps
  • Sizes: 3-6
  • Changes in the foot: Cartilage in the foot begins to harden into bones


  • Age: 18 months – 3 years
  • Development: Walking unassisted
  • Sizes: 4-9
  • Changes in the foot: Bones fuse together and fatty pads decrease


  • Age: 3 years – 5+ years
  • Development: Walking, running, highly mobile
  • Sizes: 9.5-13.5
  • Changes in the foot: Bones fully fused, fat tissue disappears, and the arch begins to form


  • Age: 5+ years
  • Development: Highly mobile with stable balance
  • Sizes: 1Y-3Y
  • Changes in the foot: Well-developed and visible arch, improved balance

Find Your Fit

To ensure you choose the right size for your child’s feet, it is essential to measure their feet regularly. See Kai Run recommends measuring your child’s feet every 2-3 months for children aged 9-18 months, every 3-4 months for children aged 18 months to 3 years, and every 6-12 months for children aged 3 years and up.

How to Measure Your Child’s Feet

Measuring your child’s feet is a simple process that you can easily do at home. All you need is paper, a ruler, and a flat surface. Follow these steps to accurately measure your child’s feet:

  1. Have your child stand with their heels against a wall.
  2. Place a piece of paper under their feet.
  3. Use a pen to mark the longest toe and the back of the heel on the paper.
  4. Measure the distance between the two marks in centimeters or inches using a ruler.
  5. Repeat the process for the other foot.
  6. If your child intends to wear socks with their shoes, measure with the socks on.
  7. Use the measurements to find your child’s shoe size on the See Kai Run size chart.

When to Measure Your Child’s Feet

Regularly measuring your child’s feet as they grow and develop is important. Here’s a general guide to follow:

  • For children aged 9 to 18 months, measure every 2 to 3 months.
  • For children aged 18 months to 3 years, measure every 3 to 4 months.
  • For children aged 3 years and up, measure every 6 to 12 months.

Checking the Fit of Your Child’s Shoes

Once you have found the right size for your child’s shoes, it’s crucial to check the fit before making a purchase. Here are some tips to ensure a proper fit:

  • There should be about 1/2 inch of room at the toe to allow for growth and movement.
  • The shoe should fit comfortably without slipping off when you pull on the heel.
  • Your child should be able to wiggle their toes freely inside the shoe.
  • The shoe should not be too tight or too loose around the foot.
  • It’s advisable to have your child walk around in the shoes to ensure they are comfortable and supportive.

Choosing the Right Shoes for Your Child

Now that you know how to measure your child’s feet and check the fit of their shoes, it’s crucial to select the right type of shoe for their needs. See Kai Run shoes are specifically designed to promote healthy foot development and come in a variety of styles to suit your child’s preferences.

  • For babies and first walkers, opt for soft-soled shoes that are lightweight and flexible. These shoes should allow for natural foot movement and growth while protecting your child’s feet.
  • For toddlers and preschoolers, go for shoes with a more structured sole to provide support and stability for their growing feet. Look for shoes with a wider toe box to allow ample room for the toes to move and grow.


Choosing the right shoe size for your child is vital to promote healthy foot development, support their growth, and enhance their mobility. By regularly measuring your child’s feet, checking the fit of their shoes, and selecting the appropriate type of shoe, you can ensure that they are comfortable, supported, and ready for any adventure that comes their way.

To learn more about children’s footwear and access the See Kai Run size chart, visit

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