Description of Outdoor Research Yukon Cap The ultimate in cold-weather warmth; the Yukon Cap™ has got you covered when the temperature plummets. A Melton wool exterior and soft-pile fleece lining provides generous insulation. And just in case all that insulation isn’t enough, the buttoned ear flaps fold down over your ears for additional warmth. Features: Melton wool exterior, soft pile lining Flip-up, contoured earflaps with side button attachments Folding brim for easy storage Separate chin cord can be attached through button holes for added security Avg. weight: 4.8 oz./136 g (size L)