The Samuel Adams Winter Classics Mix Pack is a tradition and has been in my house for about 14 years. The selection has changed over the years and three years ago Boston Beer added the Holiday Porter which at the time was the only porter in their lineup. (They have since revived their excellent Honey Porter.) It's an easy drinker clocking in at 5.9% ABV.
It pours a dark brown with a frothy and dense light brown head. Lots of fine lacing. A sweet malty smell but also some significant hops in the aroma as well. Smoky chocolate in the nose too.
Very creamy mocha taste takes over the palate. Bitter and roasty notes are prominent. Roasty bitter finish as well.
If you like your porters to deliver some of that roastiness from the malt (and I do) you'll like this porter. It does deliever some balancing creaminess too.