We use the ever so simple black T v-neck. This one was picked up from American Apparel for only $19. A shirt this simple is a must, for its uses are versatile.
Here we show the Cardigan which is used, this article of clothing is also very convenient for it can be used in both warm and cold weather. Wear it with layers for cold weather, or alone and the sleeves rolled up in the warm weather. This one was pick from Abercrombie and Fitch for $140
A cheaper way to pull off the cardigan look, is to get the Cable Braid Hooded Cardigan off of Forever 21's Heritage 1981 for only $29.