These Patagonia Kids Capilene Midweight bottoms feature moisture-wicking capabilities, superior Capilene fabric, and Bluesign approved sustainability, making them the ideal base layer choice for active outdoor adventurers and parents seeking reliable and eco-friendly Kids clothing. Features Recycled polyester fabric Pull on styling Offset cuff seams Flatlock seams Elasticised waist band Gusseted crotch Low-bulk construction  Material 100% recycled polyester diamond-grid double knit with HeiQ® Pure odor control Fabric is certified as bluesign® approved Durable built and Fair Trade Certified™ Sewn Patagonia Kids Capilene Midweight Thermal Bottoms