Smartwool Kids - Classic Thermal Merino Base Layer 1/4 Zip (Toddler/Little Kid/Big Kid). Color Purple Iris Heather. Low Stock. On sale for $66.50. MSRP $70.00.. 3.1 out of 5 stars1 left in stockBrand NameSmartwool KidsProduct NameClassic Thermal Merino Base Layer 1/4 Zip (Toddler/Little Kid/Big Kid)ColorPurple Iris HeatherPrice$66.50MSRP: $70.00Rating3Rated 3 stars out of 5(7)