Keen Big Kids’ Lumi II Waterproof Boot


Nothing helps kids outrun a snowball like being light on their feet and sure of their footing. Our ultra-light, ultra-warm waterproof snow boot has cold-weather grip and 400g of KEEN WARM insulation rated to -40°F. The molded shell construction on bottom prevents slush from soaking in, while the cozy collar repels snow and cold rain without the use of harmful PFCs. Fight those harsh winter winds by wearing these youth boys’ Keen Lumi II black winter boots. Comprising of waterproof canvas shell, these pull on boots have -40°C cold rating, traditional round toe front, bungee laced barrel lock, an adjustable hook-and-loop strap closure and sturdy outsole with a slip-resistant pattern.

Comes in Black/Wood Violet and Black/Steel Gray

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  • KEEN.WARM insulation rated to -40°F/-40°C
  • Eco Anti-Odor for natural odor control


  • Ultra-lightweight, waterproof and washable high-quality injected EVA
  • KEEN.FREEZE rubber outsole for traction in cold conditions
  • Injected EVA midsole for surprisingly lightweight fit and feel


  • 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.


    Gently brush the footwear with a soft, damp sponge to remove loose dirt and restore surface. Stains should be treated immediately with a gentle cleaner. Let shoes air dry away from heat.

Additional information


Black/Steel Gray, Black/Wood Violet

Size (Kids)

5, 9, 10, 11, 12, 13, 1, 2, 3, 4