Updating the Basics

James Perse has a great collection of basic T-shirts tanks and even this great turtle neck. I have a few of his things and they all wear really well and even get better with every wash.
I need to update my basics with 3 tanks, 3 T-shirts and a couple of long sleeve T-shirts in a combination of grey, black and of course white. They also carry some great sweaters that I find very tempting.
What are your go to basics?
Images found on james perse web site