Whether layered or worn on its own, the Under Armour Base 2.0 Long-Sleeve Crew Shirt is perfect for a variety of cool-weather activities outdoors. Rugged 95% polyester, 5% elastane ColdGear fabric is treated with an ArmourBlock antimicrobial finish to help reduce odors, ensuring that your child stays fresher longer. The soft, brushed negative grid interior traps hot air to provide exceptional warmth. Four-way stretch fabrication offers increased freedom of movement and maintains its shape. The Signature Moisture Transport System wicks sweat away from the body to keep you comfortably dry. Ergonomic flatlock seams help reduce chafing and allow for easy layering. This unisex baselayer top features a classic crew-neck collar, raglan sleeves construction, and a drop-tail hem for added coverage in back. Fitted design. Imported.