This should be Y on Xbox One, Triangle on PS4, and T on PC. Most players will simply transfer the item over thinking the companion will equip them, but instead you have to push the button displayed at the bottom that specifically makes them equip it. To do this simply walk up to the companion and select the option to transfer items. Here’s a quick guide on how to put armor and gear on Dogmeat, or any other companion in Fallout 4. Instead you have to specifically choose to have them equip armor and other gear. Tired of your companion succumbing to the dangers of the wasteland of Fallout 4? Did you stumble across some super mutant or dog armor and wonder how to get your companions to wear them? It’s actually fairly simple, but not as easy as just passing the items to them and hoping that they use them.