Sealskinz KJ303 Waterproof Winter Hat. Thermal rating 4 (out of 5). Black available 24 / 48 hours. Red available in 5 days. You too can be a Nanook of the North with this totally waterproof, windproof & breathable winter hat. Durable Ripstop outer shell fabric. Micro fleece lining for warmth & moisture control. Fully welded & taped seams. Flexible, adjustable peak keeps the rain & sun out of the eyes. Drop down ear flaps & elasticated size adjuster at the rear. You know you want one but are not quite sure whether its cool. Just wait till the wind chill bites & it wont just be cool.