Colours: Comes in a variety of different colours: red, yellow, blue, white, grey, navy, green, and orange. Material: Made from an ultra soft acrylic blend material with excellent insulation for warmth. Warm: A super cosy hat that'll keep you warm throughout the chillier months of the year. Hat: Redeem an LED headlight knit hat. Light-up: Comes with a built in, removable, and rechargeable LED light. USB: Charge the hat using a standard USB port. Headlight Knit Hat | Living Social