Arctic Mandrake AKA Kryptek Yeti Camo
Outer layer: Cotton/Polyester Blend Ripstop
Inner layer: 100% Cotton
Rubber coated metal nose and check rib can be formed to anyone's face shape
Fully adjustable elastic strap system
Free PM2.5 filter can be inserted between inner and outer layer to make a three layer 2.5 Micron Face mask.
PM2.5 Micron Particulate Filter has 2-layer non woven cloth membrane, 2-layer non woven paper membrane,  and 1-layer activated carbon membrane.
Mask can be washed and reused.  Remove filter prior to washing.
Replace filter insert when soiled, contaminated or beyond general conditions of use.