Omni-Heat Technology: Keeps your little one warm and cozy in cool weather Classic Crew Neck & Long Sleeves: Perfect for everyday wear or outdoor activities Pull-On Closure: Easy on-and-off for independent kids Polyester/Elastane Fabric: Durable, stretchable, and machine washable Unisex Design: Suitable for boys and girls, ages 6-7 (XS) Introducing our Columbia Youth Kids Midweight Crew Omni Heat Long Sleeve Shirt, designed for active young boys. This classic fit, black solid long sleeve crew neck t-shirt features Columbia's signature Omni Heat technology for all-season warmth. With a pull-on closure, it's easy to wear and perfect for sports, vacations, or everyday wear. Made from stretchable polyester/elastane fabric, it offers comfort and durability. Machine washable for easy care, this shirt is a must-have for your little adventurer.