Pipeline Porter is the seasonal from Kona that (you may recall) is actually brewed here on the mainland but with 100% Kona coffee, imported from Hawaii. It sits at 5.4% alcohol and is available from September through March.
Appearance: Dark brown-black, opaque, with a light brown head.
Smell: Nice blend of roasted coffee and malts. A bit of dark chocolate—a cocoa powder thing going on—and a sense of smokiness.
Taste: Coffee (no surprise), roasted black malts that are dry but without any astringency. Creamy and slightly chocolaty… nice bit of bitterness from the malt. Hops are very low-key.
Mouthfeel: Smooth, dry, medium-bodied. A "soft water" feel.
Overall: A very nice porter, creamy yet dry and rich with coffee. Well done and enjoyable to drink.