Active kids don't let cold, windy or snowy weather slow them down. Keep them warm, dry and comfortable in a Smartwool Kids Merino 250 Base Layer Pattern Crew Shirt, ideal for layering or on its own. These soft shirts are made from 100% Merino wool that is thick yet breathable and machine washable. The knitted fabric wicks moisture away, keeping their delicate skin protected without irritation. These stylish shirts have a slim-fit design and flat seam to reduce chafing.