Well, these are a lot more low-rise than I expected lol… Whisper White Cozy Fleece Boyfriend Straight Sweatpant (S) and Extra Fleece Boyfriend Boxy Zip-Up Hoodie (XS) : r/Aritzia
COZY FLEECE BOYFRIEND SHIRT curated on LTK
just looked and the exact name is Cozy Fleece Boyfriend Hoodie from @aritzia!! the price is actually $80 but so so worth it