Classic Thermal Merino Base Layer 1/4 Zip — Kids' Size:M While the waterproof CSWP membrane

While the waterproof CSWP membrane keeps the wet out

Choose the carbon blend Straight Shaft with a 16” LeverLock adjustable system

Large top-cap allows for easy filling

Designed around a thicker

Carries any type of kayak while taking minimal space on your roof rack

Classic Thermal Merino Base Layer 1/4 Zip — Kids' Size:M While the waterproof CSWP membraneOur Kids' Classic Thermal Merino Base Layer 1 4 Zip uses our super soft midweight interlocking knit. This versatile 1 4 zip tee is great in cool conditions and when you need to stay warm. And when the sun comes out, just zip the collar down. With Smartwool base layers, it's that easy.