A superfine merino garment from the mountaineering people Earth Sea Sky.  Completely and utterly Made in New Zealand.  Fantastic quality merino.

Merino Superfine garments use 18.5 micron New Zealand Superfine Merino. They are warm, breathable, comfortable and can be worn for extended periods.

The men's Incredible has a short zip that runs up through the collar.  It is available with long sleeves, and as a women's garment.  See below for links.

Detail:

Zip polo with short sleeves

Piping across the shoulder seam
Fabric: 100% New Zealand Superfine Merino
Weight: 220 grams

Sizes:

Men's S, M, L, XL, 2XL, 3XL

Colours:

Black/coffee piping, steel/nimbus piping, lava/steel piping