If I could wear patagonia or northface to the office every day, I would
Active loungewear is very comfy. Have you ever tried REI? 
yes. but not their in-house brand. is it good?
It is a very comfortable brand. What do you love the most about Northface? What do you look for when buying active loungewear?
Northface usually fits me fairly well and has tons of styles. But i actually prefer Patagonia because of their warranty and repair program. Plus they are more eco friendly I believe
Patagonia is a very reliable brand. Their warranty is unmatched and they are concious about the environment...
have you seen products they repair?
I have seen a few. They set the bar fairly high for rival competitors. 
I like when they repair some of their gear with the same material but wildly different colors. Gives the more outdoorsy pieces a fun story and proof of its longevity
Almost like a piece of clothes with it's own legacy and history...It's very original.
Yes. And that you know not only the fabrics are recycled but even broken gear gets sewn into new gear