The ThermoNet material used in this scarf is made of PrimaLoft fiber, known for its great warmth to weight ratio. A warm product doesn't always have to be bulky! Being a genuine Buff, this scarf is very versatile: us it as a neck guard, turn it to a beanie or headband, or a unique scarf with long hair. In addition to other outdoor activities, a Buff is great when sleeping in a sleeping bag. - Warm, breathable material offers great moisture wicking performance - 58% of the material is made of recycled fiber - Stretcyh and seamless - Machine wash at 40ºC - Made in Spain The factory has an ISO14001 environmental certificate, as well as an SGE-21 certificate for social and ethical responsibility. The electricity used in production is made with renewable sources.