The buff original junior multitube original buff available in juniorchild and baby sizes is a multifunctional tubular accessory ideal for many activities designed to keep you warm in the cold junior buff will also wick moisture to keep you cool when its hot the lightweight breathable and extremely comfortable to wear buff original junior multitube features made with 100 polyester microfibre juniorchild size fits young people aged 4ndash12 years with a head circumference of 5