Keep your young adventurer warm and comfortable with the Polarmax® Kids Youth Active Stretch Crew Neck (Little Kid/Big Kid). Designed as thermal base layer, it offers excellent insulation while allowing full freedom of movement. Crafted with Acclimate Dry hydrophobic yarns to manage moisture and help keep you dry, this piece features flat-seam construction for enhanced strength, durability, and long-lasting wear. Its stretchy fabric adapts to active bodies, making it perfect for outdoor play or layering on chilly days. Durable and cozy, this base layer helps maintain warmth without bulk, ensuring your child stays comfortable no matter the activity.