Buff Marroc Graphite/Black (Polar Buff Reversible) Polar BUFF Reversible is a 2-layer garment made from a seamless tube of Polyester Microfibre sewn top and bottom to a tube of fleece. An air cushion is created, providing extra protection and helps to maintain body temperature. The garment can be worn in a multitude of ways such as a scarf, balaclava, or neckerchief. Weighing 72 grams one size is suitable for most adults. To take care of your garment you can machine wash and it is also non iron. Treated with Polygiene the garment will remain fresh as the silver ions prevent the build up of bacteria in the fabric.