Smartwool Kids' Classic Thermal Merino Base Layer Crew 2026 Backpacks Hook and loop straps hold

Hook and loop straps hold the bag securely to the stem and top tube

All Baia lenses are polarized

recycled polyester strap

FIT - Custom Dial: The adjustable dial fit system for quick and easy adjustments is now integrated in the liner for optimized fit and durability

BASE FINISHING: Natural wax

Smartwool Kids' Classic Thermal Merino Base Layer Crew 2026 Backpacks Hook and loop straps holdOur Kids' Classic Thermal Merino Base Layer Crew is made of 100% responsibly sourced Merino wool to help your little ones stay comfortable on snow days and activities in the mountains. With a flatlock seam construction designed to help prevent chafing, a crew neck built with set in long sleeves, and all of the benefits of Merino, this kids' base layer will help them enjoy winter more. "Knit in Vietnam: 100% Merino Wool Flatlock seam construction