ultra-lightweight sock is knit with Coolmax® yarn that chills out when your run heats up

out-of-the-box comfort and durable leather construction (sKeen'sced from Leather Working Group-certified tanneries for less chemical and water use)

and whatever else they get into – with a flexible rocker-bottom shape that's perfect for all-day play

If you're out there

Birkenstock Kid's Zermatt Shearling Wool Width:Narrow ultra-lightweight sock is knit withThe BIRKENSTOCK Zermatt Kid's is the perfect slipper for tiny toes. This version comes with a soft shearling lining to keep kids feet cozy when the temperatures drop. The upper is made from soft wool felt.