Hot coffee

Problem: coffee/tea doesn’t stay warm in the titanium cup.

Proposed solution: make an insulated sleeve from a beer coozie for the titanium cup OR buy the GSI Infinity Mug (allegedly 3.5oz… I’ll believe that when I see it).

What do you guys think? Any alternatives?

Problem: coffee/tea doesn’t stay warm in the titanium cup.

Proposed solution: make an insulated sleeve from a beer coozie for the titanium cup OR buy the GSI Infinity Mug (allegedly 3.5oz… I’ll believe that when I see it).

What do you guys think? Any alternatives?