This is the knit hat that keeps your head warm and 100% dry and lights the way ahead hands-free with an integrated LED headlamp. Ideal for early morning dog walks or snowy hikes, its three layer waterproof construction consists of a  waterproof membrane sandwiched between a durable 100% acrylic outer shell and a heat-trapping 100% polyester microfleece lining. The four-lumen LED in its cuff illuminates your path with three levels of bright white light that can be seen from over 500 yards away. Removable LED provides 11/2-4 hours of light and recharges in less than two hours when plugged directly into a USB port. Machine wash. Black. Sizes S/M, L/XL, and XXL.