JOYWEST Kids Boys Thermal Underwear Set for Kids Toddler Winter Fleece Lined Base Layer Top Bottom Long Johns for Cold Winter

Fabric type: 95% Polyester, 5% SpandexCare instructions: Machine WashOrigin: ImportedFleece-Lined Thermal Warmth: This boys' long johns thermal underwear set is crafted from 92% polyester and 8% spandex, paired with a thick and warm fleece lining that feels soft to the touch, gently protecting children's delicate skin. The fabric is lightweight, breathable, quick-drying, and cold-resistant, bringing warmth and comfort to kids during the cold winter days.Moisture-Wicking Performance: Even in scenarios with large temperature differences between indoor and outdoor environments (such as moving from a heated room to outdoors), it helps avoid the risk of catching a cold due to damp clothing. It is especially suitable as a base layer for high-intensity sports like skiing and basketball.Ergonomic Tailoring: Precisely fits children's shoulders, elbows, and knee bending areas to ensure dynamic movements like running, jumping, and climbing are unrestricted. The invisible elastic cuffs on sleeves and pant legs prevent cold wind from penetrating while enhancing the fit when layering clothes.Soft and plush: This kids' thermal set breaks through the limitations of traditional cotton long underwear that may damage babies' skin. It uses softer materials to protect babies' skin and keep them comfortable during winter.These boys fleece thermal compression pants as perfect sports base layers. Improve your performance for skiing, snowing, soccer, basketball, hockey, baseball, lacrosse, jiu-jitsu, snowboarding and other sports in cold weather days Perfect for everyday use. superior materials and excellent craftsmanship ensure long-lasting durability.