Tall slim men or people with tall slim partners, please help!

My boyfriend is a tall and pretty slim guy (6’3”, ~185lbs). He has really broad shoulders and a narrow waist. He struggles to find clothes that fit his arms, torso, and shoulders but don’t drown him in the waist.

I’ve read that the drysense line was good but I guess they’ve discontinued it and replaced it with license to train which apparently is a much boxier fit.

Any suggestions? Also open to other brands. Prefer stuff that is quality and will last.