Custom made fitted face masks by Cozy Canuck.  
Features include:
Fitted design
Optional nose wire*
3 layers of 100% cotton fabric
Adjustable elastic ear loops
Standard filter pocket
Washable & durable
 
* Nose wire is a metal piece sewn into the mask to allow you to pinch the mask over your nose to keep it in place.  Very popular for people who wear glasses to help prevent fogging of lens.