Which Bottle Has The Best Insulation? (With Triple-Layer Bottles)

You’ve probably heard about dual-wall insulated bottles, but what about triple-wall?  If two walls are good, then three are better, right?  In this video, we test 14 total bottles, including 11 dual-wall and 3 triple-layer bottles to see if triple-layer insulation is worth the marketing hype.

0:00 – Intro
1:16 – Things to Know about our Test
2:50 – Science behind Triple-Layer Bottles
5:29 – Test A (Uniform Styrofoam Cap)
9:12 – Test B (Each Bottle’s Standard Cap)
10:48 – Does the Brand’s Lid Help or Hurt?
12:19 – Conclusions
12:56 – Possible Future Videos and Outro

Products Referenced (there are a lot!):
Dual-Wall:
Klean Kanteen 32-ounce TKWide Insulated: https://amzn.to/446Sybr
Hydro Flask 32-ounce Flex Straw: https://amzn.to/3XjRWwe
Hydro Flask 32-ounce Trail Series (lighter): https://amzn.to/3CW67OR
Takeya Actives 32-ounce (includes Matching Bottle Boot): https://amzn.to/3pjwRpm
Camelbak Chute Mag 32-ounce: https://amzn.to/3qT3MBs
Ozark Trail 32-ounce: https://www.walmart.com/ip/Ozark-Trai...
Steepware 22-ounce Tea Tumbler: https://amzn.to/3qSOzjH
FJbottle 34oz: https://bit.ly/3Xh6dtS
YETI 36-oounce Chug Cap: https://amzn.to/3qV3gD3
Iron Flask 40-ounce: https://amzn.to/4352hxm
Stanley Quencher 40-ounce: https://amzn.to/3qLNAll

Triple-Layer
RevoMax 32oz: https://revomax.com/products/insulate...
EcoVessel Boulder Series 32-ounce: https://amzn.to/3XkSORs
S’well 25oz (the narrow mouth from this video): https://amzn.to/3CP3nms

Mentioned but not in Video:
Owala 32oz (says triple layer on their website but double wall on their Amazon listing): https://amzn.to/45txJXX

Need an accessory for your big bottle?  Check out our store!
BottlePro’s Full Amazon Store: https://amzn.to/3a2fNwf
BottlePro Max Cup Holder Adapter: https://amzn.to/45JCJsh
FlavorFuze Pod (drop-in fruit infuser for any wide mouth bottle): https://amzn.to/3wvH82O

Links Referenced:
Which Water Bottle has the Best Insulation (previous video): Which Water Bottle has the Best Insul...

Info about Heat Transfer (UofWisconsin): https://www3.uwsp.edu/cnr-ap/KEEP/nre...

Info about Radiation (Duke): https://sites.duke.edu/missiontomars/...

Info about Emissivity (Humboldt): https://gsp.humboldt.edu/olm/Courses/...

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