On brutally cold days the work still has to get done. This men&';s face mask is made of soft acrylic rib-knit fabric and is insulated for more warmth. The extra-long neck provides additional weather protection. Product Features 100% acrylic rib-knit fabric 40g 3M Thinsulate Flex insulation for warmth Binding around eye opening Carhartt label sewn on front Long neck