Keep little necks warm. Pull the Neck Warmer over chin and mouth on an ice cold day or wrap it around like an improvised beanie. This neck warmer for kids by Tufte is your kids best friend on a hike or when traveling, or whenever they’re outdoors and it’s a little chilly. Our Bambull® products are made with a two-layer construction with bamboo rayon on the inside and Merino wool on the outside. Developed especially so that also kids with sensitive skin can enjoy warm, wool-based products.