Kubek termiczny Collegiate Trek

The tapered base finally fits in my car's cup holder without wobbling, and the flip lid hasn't leaked once in my bag. Double-wall insulation keeps my coffee hot through my whole morning lecture, which is a huge win.

I've been carrying this tumbler to class for two weeks now and the double wall insulation actually keeps my iced coffee cold through a three-hour lecture. The flip lid seals tight enough that I can toss it in my backpack without worrying about leaks, which is a huge win for me.

The tapered bottom fits my car’s cupholder perfectly, which is rare for a tumbler this size. The flip lid seals tight enough that I tossed it in my gym bag with zero leaks, and the double-wall keeps my coffee hot through my whole morning commute.