Thermajane Thermal Underwear for Kids Long Johns, Girls Thermal Underwear Set, Base Layer Kids Long Underwear

Keep Your Child Warm with Kids' Long Johns

Our kids' long johns provide exceptional heat retention, ensuring your child stays warm during the cold months. These thermal underwear for girls can be worn under clothing or alone around the house.

Super Soft Comfort for All-Day Wear

This girls' thermal underwear set includes fleece-lined leggings and a thermal shirt, delivering ultimate comfort whether they’re out in the cold or relaxing at home.

Moisture-Wicking Technology

Stay dry and odor-free with our moisture-wicking base layer set. This feature ensures your child stays comfortable and fresh, making it a must-have for girls’ winter clothes.

Flexible 4-Way Stretch for Active Girls

Our thermal set offers 4-way stretch, providing a snug fit while allowing full mobility. Whether running around or playing outdoors, these thermals will move with her, providing freedom of movement.

Ideal for Layering

Designed to be worn as a base layer, these long underwear sets are thin and lightweight, adding no extra bulk. They fit easily under regular clothes, providing additional protection from the cold without compromising comfort.

• Heat Retention: This keeps your child warm during cold weather, perfect for layering or wearing alone at home.
• Ultra Soft Comfort: Fleece-lined leggings and a thermal shirt ensure cozy comfort all day long, indoors or outdoors.
• Moisture-Wicking Technology: Wicks away sweat to keep your child dry and odor-free, ideal for winter activities.
• 4-Way Stretch Design: Offers a snug fit with maximum mobility, perfect for active children.
• Lightweight for Layering: Thin and flexible, these thermals fit easily under regular clothes without adding bulk.

The size options for kids' thermal underwear sets typically range as follows:

• Toddler Sizes: 2T, 3T, 4T
• Kids Sizes: 4, 5, 6, 7, 8
• Big Kids Sizes: 10, 12, 14, 16

Each size is designed to ensure a snug yet comfortable fit. Be sure to check the specific brand's sizing chart for detailed measurements to find the perfect size for your child.