Helly Hansen merino wool Base Layer Bottoms - Kids Gray 10 years A008421 These Helly Hansen merino wool Base Layer Bottoms for kids in size 10 years feature a stylish colorblock design in gray, perfect for winter activewear. Made with high-quality merino wool fabric, they offer a comfortable fit with an athletic style and adjustable waist closure. The leggings have a bootcut leg style and a 25-inch inseam, making them both functional and fashionable for any outdoor activities. Ideal for imaginative young boys who love Alice in Wonderland-themed clothing, these compression-style pants are machine washable for easy care.