RefrigiWear Men's Thermal Knit Mask with Detachable Mouthpiece - Black
From Macy's
Get full protection with the stretch thermal knit mask. The snug fit seals out drafts so you're protected from sudden gusts of icy wind. With a soft, detachable mouthpiece, added protection is just a snap away. Add it when the cold attacks, remove it so you can speak when you need to rally the team