I have two of these Zip T-necks, both have some wear, but are in very good shape. No stains, stink, holes, etc. Yak wool is very soft and comfortable. Highly recommended by the late John Abella.  Currently unavailable, to the best of my knowledge. Asking $50 each, $90 for both.  Price includes shipping and I cover the PayPal Goods and Services fees.

Asking $25 for the T-shirt, will sell all three for $100.