Vacuum insulation is a big deal if you care about beverage temperature change. Double-wall construction means that hot liquids can remain hot for up to 12 hours, while colder choices can last 48 hours. Furthermore, these bottles are condensation-proof – no sweating or slipping. Built to fit standard vehicle cup holders, the stainless steel sides are scratch and fade-resistant, and now with the cover art from Antioch Collective Vol. 1.