Smartwool Merino 250 Baselayer Zip T - Kid's Charcoal Heather Extra Small. This versatile Zip T is great in cool conditions and when you need to stay warm. And when the sun comes out just zip the collar down. With Smartwool base layers it's that easy. Specifications for Smartwool Merino 250 Baselayer Zip T - Kid's: Manufacturer: Smartwool Sleeve Length: Long Sleeve Apparel Fit: Regular Age Group: Kids Application: Casual Outdoor Color: Charcoal Heather Fabric/Material: 100percent Merino Wool Features of Smartwool Merino 250 Baselayer Zip T - Kid's This heavier soft 100percent Merino wool fabric offers breathable warmth moves sweat away from the body and provides next-to-skin comfort in colder conditions Slim Fit 100percent Merino Wool fabric made with an interlock knit for enhanced comfort breathability thermoregulation and odor resistance 7in (18 cm) center front zipper with anti-chafing chin guard Flatlock seam construction designed to minimize chafing Knit in Vietnam: 100percent Merino Wool Package Contents: Smartwool Merino 250 Baselayer Zip T - Kid's Smartwool SW0SN111010-XXS: Merino 250 Baselayer Zip T - Kid's Charcoal Heather 2XS Smartwool SW0SN111010-XS: Merino 250 Baselayer Zip T - Kid's Charcoal Heather Extra Small Smartwool SW0SN111010-S: Merino 250 Baselayer Zip T - Kid's Charcoal Heather Small Smartwool SW0SN111010-M: Merino 250 Baselayer Zip T - Kid's Charcoal Heather Medium Smartwool SW0SN111010-L: Merino 250 Baselayer Zip T - Kid's Charcoal Heather Large Smartwool SW0SN111010-XL: Merino 250 Baselayer Zip T - Kid's Charcoal Heather Extra Large Smartwool SW0SN111010-XS: Merino 250 Baselayer Zip T - Kid's Charcoal Heather Extra Small