The Helly Hansen Juniors LIFA Merino Base Layer Set is built to keep kids warm, dry, and comfortable during cold outdoor school days, winter sports, and long hours outside. 2-layer construction combines LIFA® fibers inside with merino wool outside LIFA® technology moves moisture away from skin to keep kids dry Merino wool exterior provides breathable, natural insulation Polartec® fleece reinforcements at knees and elbows improve durability Flatlock seams reduce irritation during all-day wear Why ODSS Recommends It Excellent cold-weather base layer for outdoor school and winter sports Warm without overheating during active play Durable reinforcements extend the life of the garment Technical Performance & Materials Warmth: High – merino wool insulation Moisture Management: High – LIFA® interior layer Layering Use: Base layer Comfort: Non-itch merino with flatlock seams Durability: Reinforced knees and elbows