The XTM Kid's Merino Top is made from 100% fine Australian Merino Wool to keep your little one toasty warm without the complaints of itchy skin that can often come from wool base layers. Merino Wool acts as the perfect thermo-regulating material to keep your little tucker cool in warmer climates and warm in colder climates. No matter whether your monster is throwing snowballs at you or shredding down the slopes, with the XTM Kid's Merino Top, you can be sure that they won't be complaining of the cold.