Vacuum-sealed 24h flask
Monolith Flask
4.9 · 3,402 owners
Save 24% — $68$89Triple-wall 316 steel with a machined collar. Twenty-four hours cold, twelve hot, no metallic aftertaste.
The problem
Most of this category isplastic sold at metal prices.
Thin housings, borrowed tooling, a finish that greys out in a season. We went the other way: fewer parts, better ones, and a specification we're willing to print.
01
24h cold / 12h hot
02
316 surgical steel
03
Machined collar detail
Owners
“The first pair I've owned that disappears on the head.”
“Feels like it costs three times what I paid.”
“Arrived in two days, packed like a watch.”
The offer
Take one, or take the set.
$68Was $89Save 24%
- Buy 2 and save 10% — $122
- Buy 3 and save 15% — $173
- Extra 10% off your first order with code ARISTO10
Free US delivery over $150 · 90-day returns · 2-year warranty
Questions
Also in the house
Monolith Flask
Two
$122$178Save 31%