Worn only once, this hoodie will keep your kiddo extra warm this winter. From the website: Bundle up the kiddos in the Kids' Classic Thermal Merino Base Layer Hoodie. With 100% Merino wool fabric for odor resistance and enhanced comfort and breathability, plus seam construction designed to minimize chafing, your little ones will stay warm and cozy all season long. Is supposed to be somewhat snug. Here are the size measurements for a large from the Smartwool website: age: 11-12; chest 28.5”-30”/72.5-76cm; waist: 25.5”-26”/65-66cm; height: 57”-60”/145-152.5cm ; weight: 75-89 lbs From a clean, nonsmoking home and only washed in free and clear products.