Cycling mask for riding year round? Opinions?

I am a bicyclist and wish to ride year round. Do you have any opinions ona cyclist mask? How cold does it need to be before one will be comfortable? I will be wearing the mask for style, comfort and maybe to help with pollution (not my first worry as the area I bike is nice). Here is an example of what i'm... show more I am a bicyclist and wish to ride year round. Do you have any opinions ona cyclist mask? How cold does it need to be before one will be comfortable? I will be wearing the mask for style, comfort and maybe to help with pollution (not my first worry as the area I bike is nice). Here is an example of what i'm talking about:

http://cgi.ebay.com/REPO-Anti-Pollution-Cycling-Motorcycle-Bicyclist-Mask_W0QQitemZ160367418179QQcmdZViewItemQQptZAU_Skiing_Snowboarding?hash=item2556a49b43
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