Yeti coat lined armor gives the dog +2 to AC and makes them resistant to cold damage.  The armor also comes with accessories to make your dog even more badass.

4 mittens with large metal cleats are attached to the armor and allows normal movement across snowy and icy terrain.

Horns adorn the helmet of the armor allowing the dog to make a charge attack against an enemy and impale them.  Charge is +5 to attack, dealing 2d6 + STR piercing damage.

The breastplate and shoulder protectors of this armor are made of leather that has been stiffened by being boiled in oil. The rest of the armor is made of softer and more flexible materials.

Notes: Bonus: Armor Class, Resistance: Cold