EcoVessel Boss Growler
Best high capacity insulator for outdoor adventurers and craft beer enthusiasts.
This high-performance vessel excels at maintaining extreme temperatures for extended periods, making it ideal for everything from craft beer to hot coffee. Its clever dual-lid design and integrated infuser offer unmatched versatility, allowing you to customize your drinks on the go while ensuring a leak-proof, sweat-free experience.
$39.99
at
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Who it's for
- Outdoor adventurers needing long-lasting temperature control for multi-day trips
- Craft beer enthusiasts who want easy pouring and drinking options
- Health-conscious drinkers who enjoy infused water or loose-leaf tea
Who should skip it
- Minimalist hikers prioritizing lightweight gear for high-mileage treks
- Busy users seeking low-maintenance containers that are quick to clean
- Budget-conscious shoppers looking for a simple, inexpensive hydration solution
Performance breakdown
Thermal retention
Triple-layer insulation keeps beverages at temperature for impressively long durations.
Versatility
Dual-lid system and removable infuser handle everything from beer to tea.
Portability
Massive 64-ounce capacity makes it heavy, though the strap helps significantly.
Build quality
Rugged stainless steel construction feels ready for any outdoor adventure.
Ease of cleaning
Hand-wash only requirement complicates maintenance for such a large vessel.
Leak resistance
Reliable seal ensures your bag stays dry during transport.
Key Specs
Capacity
64 oz
Material
18/8 Stainless Steel
Insulation Type
Vacuum Insulated
Cold Retention
36 hours
Hot Retention
8 hours
BPA Free
Yes
Leak Proof
Yes
Sweat Proof
Yes
Dishwasher Safe
No
Mouth Type
Wide Mouth and Narrow Mouth
Know before you buy
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Ask Metto anything about the EcoVessel Boss Growler before you decide.