The Patagonia R1 Air Zip Neck Top is difficult to categorize, which speaks to it's excellent versatility as a layering piece. It's lightweight, warm, breathable, and good looking, which means you wouldn't be wrong to use this as a heavy baselayer, a lightweight midlayer, or even an outerlayer for casual use around town. Which is a good thing for you, because that way you'll be able to find a reason to wear your new favorite fleece as often as is humanly possible. Color: Lagom Blue From a smoke-free home.