like uu Merino Wool Thermal Underwear Set - Ultra-Soft Base Layer for Kids & Parents

Experience the ultimate winter comfort with the like uu Merino Wool Thermal Underwear Set. Winner of the 2024 French Design Award, this premium base layer is engineered to solve the common problem of "sweat-induced chills." By combining the natural thermoregulation of fine Merino wool with innovative textile technology, this set ensures your child stays warm, dry, and incredibly comfortable whether they are playing outdoors or lounging at home.

Key Benefits

Advanced Triple-Layer Moisture Management:** Unlike traditional thermals that trap humidity, this set features a specialized one-way moisture conduction system. The inner layer quickly draws sweat away from the skin (absorbing in just 3.5 seconds), the middle layer pumps moisture out, and the outer wool layer locks in heat by creating a protective air cushion.

Innovative Non-Itchy Technology:** We use only ultra-fine 17.5um Merino wool, processed through a unique spinning technique that wraps the wool fibers within other soft fibers. This ensures that the wool never directly irritates the skin, providing a silky-smooth touch that is perfect for children who usually find wool "scratchy."

Class A Infant Grade Safety:** Safety is our priority. This garment meets the rigorous Class A standards for infant and toddler products, ensuring it is free from harmful chemicals and safe for even the most sensitive skin.

Enhanced Durability and Anti-Pilling:** Using our proprietary "Puffy Fleece" (嘭嘭绒) process, we have created a fabric that is lighter and warmer than standard materials. It has been tested to withstand 7,000 frictions without pilling, far exceeding the industry standard for high-performance athletic wear.

Breathable Warmth for All Climates:** Designed to be "warm but not stuffy," this set is perfect for both the damp cold of the coast and the dry freezing temperatures of the north. It maintains a stable body temperature without causing overheating during active play.

Key Specs

Material:** Premium 17.5um Merino Wool blend (10%–20% wool content).

Safety Rating:** Class A (Infant & Toddler Grade).

Fabric Technology:** One-way moisture conduction and non-itchy spinning process.

Design:** Parent-child matching styles available; unisex fit for boys and girls.

Performance:** 3.5-second rapid sweat absorption; 7,000-cycle anti-pilling rating.

How to Use

This set is designed as a high-performance base layer. For maximum warmth, wear it directly against the skin under school uniforms, sweaters, or heavy winter coats. It also functions perfectly as high-quality loungewear or pajamas for indoor use. Because of its moisture-wicking properties, it is the ideal choice for winter sports like skiing or skating where children alternate between high activity and rest.

Care & Safety

To maintain the integrity of the Merino wool and the "Puffy Fleece" texture, wash in cold water on a gentle cycle. Avoid high-heat drying. While our innovative spinning technology is designed to be non-irritating, skin sensitivity varies by individual. If your child has an extremely sensitive skin condition or a known wool allergy, please monitor their comfort during the first use.

Notes

"Not only warm, but also breathable; winter colds are often caused by trapped sweat."