Kids' Thermals

Breathable, wicking performance and heavyweight fleece warmth. Make the outdoors their playground with the top-to-bottom warmth of the kids' Fleece Base Layer Set. It's the layering lesson that rolls from...

The UltraGear Bottom is designed to provide dynamic movement and base protection on your best adventures. Flat seam construction creates a sleek, comfortable fit, while an elastic waist keeps your...

Built for warmth and comfort, our UltraGear ¼ Zip provides the foundation for your winter setup. A ¼ zip closure and chin protector offer wind protection, while elastane knit construction...

The Youth Active Stretch Bottom provides a warm, flexible thermal base layer designed for active kids. Its stretchy fabric moves with your child, offering comfort and insulation during outdoor adventures...

Keep your young adventurer warm and comfortable with the Youth Active Stretch Crew. Designed as a thermal base layer, it offers excellent insulation while allowing full freedom of movement. Its...

Our Kids' Classic Merino Blend Base Layer Bottoms combine the moisture management, temperature regulation, and odor resistance of Merino with recycled COOLMAX® polyester. With a flatlock seam construction designed to...

Our Kids' Classic Merino Blend Base Layer Crew combines the moisture management, temperature regulation, and odor resistance of Merino with recycled COOLMAX® polyester. With a flatlock seam construction designed to...

Our Kids' Classic Thermal Merino Base Layer 1/4 Zip uses our super-soft midweight interlocking knit. This versatile 1/4 zip tee is great in cool conditions and when you need to...