Whether the old-school line about losing heat through your head is myth or fact, its still good to keep the ol noggin comfy. Thats where Smartwools Intraknit Active Skullcap comes in. With a comfortable yet firm fit, this cap brings other comfort features, like mesh ventilation, the benefits of responsibly sourced Merino woollike moisture management and temperature regulationand the benefits of TENCEL Lyocell fiberslike softness and cooling. For any high-intensity cold-weather activity, this skullcap can help keep you top of your game.