Face mask is pretty cool. I don't know if it's the warmest as it is just a lightweight mask, but it has kept my face warm 17 degree weather. The breathable flap is also real nice as well as the ear straps so the mask always stays on.
Awesome boots. Real comfy, lighter than shoes, and fit perfect with the Rome 390 Boss Bindings. Suggestion for this combo though would be to get the L/XL bindings if you get the size 9 boot because the S/M bindings are too narrow for that recommended size fit. Length can always be adjusted.