Product Description

The Aero Flask from MiiR has arrived! Built with durable stainless steel that won’t transfer flavor between fluids, the latest addition to MiiR’s barware collection comes in a sleek matte black finish and single wall ergonomic design that fits comfortably in your hand. Sip your spirits in style. Up to 8 ounces in a single fill.

The wide-mouth, stay-open hatchback cap makes refills simple and easy. And you’ll never have to worry about losing the cap –– it’s attached! Focus on finding the vibes, whether that’s in your backyard or the backcountry. The Aero Flask is the perfect on-the-go companion for all your adventures and after-hours aperitifs.


Keep your drinks tasting the way you intended by washing your Aero Flask between uses. Hand wash only. Wash. before first use. Do not freeze, do not microwave, do not bleach, do not overfill.

CAUTION: Not intended for use with hot beverages. Choking hazard, may contain small parts not suitable for children under 3 years.


Hatchback Cap

The Aero Flask features a custom “stay-open” attached hatchback cap design that only closes when you want to. No more unscrewing your cap every other minute. And with its attached design, you’ll never have to worry about losing it.

Ergonomic Design

Built with an ergonomic design, the Aero Flask is crafted with a sleek design that more naturally fits in your hand. With ease of comfort, you only have to worry about crafting the perfect flask cocktail.


Wide Mouth

The Aero Flask’s wide mouth open is all about convenience — fill up or empty out your flask faster than ever, and without a funnel.

Generosity Driven

Every MiiR product sold helps fund nonprofit organizations that work to empower communities, while investing in the health of our natural environments.




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