The Coolnet UV BUFF® can be worn as a hat, mask, headband, scarf, wristband, pirate hat, neck warmer and balaclava. The BUFF® is machine washable and is extremely durable. There are no irritating seams or hems, and this BUFF® is treated with Polygiene, which keeps your BUFF® smelling fresh! Tubular 4-way stretch Polygiene treatment against bacteria Multifunctional Moisture regulating Seamless Quick drying Cooling Recycled Polyester fabric UPF 50 sun protection Made in Barcelona Insect Shield® technology