Smartwool Merino 250 Classic Thermal Base Layer Crew – Kids' Color:Black won't bump around

won't bump around

Standard fit with freedom of movement through the shoulders and chest — works as a standalone layer or under a shell

Standard relaxed fit works solo or layered under a flannel or midlayer

Lightweight and packable enough to toss in a vest pocket as a backup layer on shoulder-season outings

Smartwool Merino 250 Classic Thermal Base Layer Crew – Kids' Color:Black won't bump aroundBuilt for cold weather adventures and active kids who run hot and cold at the same time, the Merino 250 is our go to midweight base layer for young athletes. 250g merino wool regulates temperature naturally and fights odor without chemical treatments, so it stays fresh across multiple wears. It works equally well under a puffy on a winter hike or as a standalone layer on chilly morning starts. 250g merino wool weight hits the sweet spot between warmth