Been using one of these...

https://www.amazon.com/Seirus-Innovation-Magnemask-Convertible-Neofleece/dp/B00TK5229S/ref=sr_1_2?ie=UTF8&qid=1483600435&sr=8-2&keywords=Magnemask

Works very well, full face when you want extra warmth and pull down the face protection when you need to breath. Magnets make it easy to use with gloves.