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The Mayfly 14L Cooler

The Mayfly 14L Cooler

World's Most Portable Cooler

Regular price $119.00 USD
Regular price Sale price $119.00 USD
Sale Sold out
Shipping calculated at checkout.

The Mayfly is the smaller of our two coolers.

• Molds to any bag. 
• Packs up to fit in your backpack or tote. 
• Essentials Pocket - Exterior, Zippered
• Holds up to 15 cans, 3 bottles of wine, or a picnic for two!
• Compresses into it's built-in stuff sack
• Keeps drinks cold for up to 30 hours
• Easy carry strap included
• Optional Backpack Strap Attachments

Capacity: 14L (about 15 cans)
Weight: 12oz! 


Ripstop Nylon
Hydrophobic Synthetic Insulation
Waterproof YKK Zippers

Shipping & Returns

Free Shipping in the USA!
Monti Guarantee: If you're not happy with your cooler return it unused for a full refund in the first 30 days!


Shasta: Holds 24 cans or 5 bottles of wine

Mayfly: Holds about 15 cans and tall enough for 3 bottles of wine :)

**Ice allowance not included

Care Instructions

Easily turn inside out to clean and dry. Hand wash with cold water.

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Monti Mayfly 14L High Capacity Lightweight Travel Cooler. Folds into built in stuff sack. Packable Cooler Blue.

Sized for the Occasion

The Mayfly (left) holds about 15 cans, or 3 bottles of wine.

The Shasta (right) is big enough for a full day in the sun with a whopping 24 can capacity (about 5 bottles of wine)!

A cooler you'll actually want to carry.

Frequently Asked Questions

How long will it hold ice?

What are the dimensions?

How do you use the stuff sack?

What is the return policy?

Which size should I get?