An Austinite—home of Yeti—who likes Corkcicle better?! Blasphemy! Yes, all the insulated mugs do their jobs well. THIS one, however, has triple-vacuum sealed layers for 20% more coolness (they say). Here’s why Corkcicle is my fave: Design. The shape is great, and easier to hold, and more distinctive. Sizes. I love their sizes, from the…