Aladdin "Stanley" vacuum bottle

Just for old time's sake after reading this thread I filled up my old Stanley thermos with coffee and threw it in the truck while I ran errands today. I haven't used it much except for fishing days since switching from construction trades to IT/DEV work. Kind of nostalgic feeling. I think I'll try to make it a new habit.
 
I have an old vacuum bottle that I decided to use again. It has been a while since I've used it. I've had it since the 80's. It is made in Tennessee. I always preheat or prechill the bottle before filling it with the corresponding fluid.
Today I poured boiling water and emptied it and quickly poured in tea. Sealed it and capped in. 4 hours later in the office the tea is lukewarm at best.
Is there a better option in 2023?
Yeti
 
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