The 100% Merino wool Kid's Midweight Zip T is a kid's thermaltop that is super soft, warm and comfy and the no scratch comfort of Merino wool is perfect for the little ones. Sewn from a midweight interlock wool knit, this wool thermal Zip T is perfect for a lazing weekend in the house or movie evenings with the family. But, their best use is beating a frigid day afield by layering under outerwear. Your kids can stay warm all day dressed just like mom and dad with these wool underwear Zip T tops. The secret is Merino wool. Seriously comfortable Next-To-Skin base layer. Size medium. Unisex. New with tags.