BUFF POLAR REVERSIBLE ATLANTIC SALMON/GARGOYLE HEADWEAR Made from 100% polyester microfibre and 100% polyester fleece, Polar BUFF Reversible weighs 73g/2.6oz and measures 51cm x 24.5cm/20" x 9.6". One size fits most adults. Polar BUFF Reversible is machine washable and non iron. It won't fade or lose its elasticity. Treated with Polygiene your BUFF headwear will remain fresh as the silver ions prevent the build up of bacteria in the fabric Certified to meet Oeko-Tex Standard 100