Use this chart to find your size conversion.

Baby
US Size UK EU JP CM LENGTH
6M 1 17 10 9.5
12M 2 18 10.5 10.5
18M 3 19 11.5 11.4
24M 4 20 12.5 12.1
Toddler
US Size UK EU JP CM LENGTH
4 3 19 11.5 11.4
5 4 20/21 12.5 12.1
6 5 22 13.5 13
7 6 23 14.5 14
Little Kids
US Size UK EU JP CM LENGTH
8 7 24 15 14.6
9 8 25/26 16 15.6
10 9 27/28 17 16.5
11 10 29 18 17.1
12 11 30 18.5 18.1
13 12 31 19.5 19.1
Big Kids
US Size UK EU JP CM LENGTH
1 13 32/33 20 19.7
2 1 34 21 20.6
3 2 35 22 21.6
4 3 36 22.5 22.2
5 4 37 23.5 23.2
6 5 38 24.5 24.1
7 6 39 25.5 24.8
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Little Kids' LUMI Waterproof Winter Boot

C$80.00 C$64.00

10% supports Australia bushfire relief thru Jan. 21. Learn More.

Please choose a size! Please choose an inseam!

With 400 grams of insulation rated to -40°F/-40°C, the new KEEN Kids Lumi boot has a waterproof EVA shell design. This ultralight boot with cold-weather traction helps little kid legs move easier through winter weather.

  • Secure-fit lace-capture system
  • Padded tongue and collar for comfort
  • Adjustable hook-and-loop strap
  • Removable felt liner with KEEN.WARM insulation rated to -40°F/-40°C
  • KEEN.FREEZE winter rubber compound

We recommend you clean these products using mild soap and cold water. To remove excess dirt or spot clean, use a stiff brush or soft cloth. Let shoes air dry away from heat.

Live Chat

Chat with a KEEN Expert for style advice and fit recommendations.

Ultimate warmth from school day to snow day.

  • With 400 grams of insulation rated to -40°F/-40°C, the new KEEN Kids Lumi boot has a waterproof EVA shell design. This ultralight boot with cold-weather traction helps little kid legs move easier through winter weather.
  • KEEN.Warm
    Who knew charcoal bamboo could create something that keeps your feet warm? But it makes KEEN.Warm—a lightweight insulation that provides warmth where you need it most.
  • Secure-fit lace-capture system
  • Padded tongue and collar for comfort
  • Adjustable hook-and-loop strap
  • Removable felt liner with KEEN.WARM insulation rated to -40°F/-40°C
  • KEEN.FREEZE winter rubber compound
Material
  • Waterproof lightweight injected EVA shell and textile upper
  • Non-marking rubber outsole leaves no trace
Care

We recommend you clean these products using mild soap and cold water. To remove excess dirt or spot clean, use a stiff brush or soft cloth. Let shoes air dry away from heat.

  • Warm and lightweight boot!

    5

    We're a Keen family and decided to try these this year for our 5 year old. We were not disappointed! Keeps her feet dry and very warm, even in -25 weather. And love that they are very light!

    Cats

    Northern Ontario

    true

    Little Kids' LUMI Waterproof Winter Boot

    5.0 1

    100.0

     

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