Smartwool Kids - Classic Thermal Merino Base Layer 1/4 Zip (Toddler/Little Kid/Big Kid). Color Purple Iris Heather. Low Stock. On sale for $55.90. MSRP $70.00.. 3.3 out of 5 stars1 left in stock+2Brand NameSmartwool KidsProduct NameClassic Thermal Merino Base Layer 1/4 Zip (Toddler/Little Kid/Big Kid)ColorPurple Iris HeatherPrice$55.90MSRP: $70.00Rating3Rated 3 stars out of 5(6)