See Kai Run Size Chart

Download the printable size guide here.

 

See Kai Run Sizing Guide
This chart has acommodated for growing room.
If the foot measurement lands in between, order a size up.
Crib
Length Age (approx.) Size
up to 9.7cm (3 7/8") 0-6 months Small
up to 10.9cm (4 3/8") 6-12 months Medium
up to 12.1cm (4 3/4") 12-18 months Large
First Walkers, Toddlers and Big Kids
If Your Foot Length Is You Should Buy
CM Inches US Size
10.5cm 4 1/8" 3
10.9cm 4 3/8" 3.5
11.3cm 4 1/2" 4
11.7cm 4 5/8" 4.5
12.1cm 4 3/4" 5
12.5cm 5" 5.5
12.9cm 5 1/8" 6
13.4cm 5 1/4" 6.5
13.8cm 5 1/2" 7
14.2cm 5 5/8" 7.5
14.6cm 5 3/4" 8
15.1cm 6" 8.5
15.5cm 6 1/8" 9
15.8cm 6 1/4" 9.5
16.2cm 6 3/8" 10
16.6cm 6 1/2" 10.5
17.1cm 6 3/4" 11
17.5cm 6 7/8" 11.5
17.9cm 7" 12
18.3cm 7 1/4" 12.5
18.7cm 7 3/8" 13
19.1cm 7 1/2" 13.5
19.6cm 7 3/4" 1Y
20cm 7 7/8" 1.5Y
20.4cm 8" 2Y
20.9cm 8 1/4" 2.5Y
21.3cm 8 3/8" 3Y
21.7cm 8 1/2" 3.5Y
22.1cm 8 5/8" 4Y