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The Mayfly 9L

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 purse. 
• Perfect for 12 cans, a couple of bottles of wine, or a picnic for two!
• Compresses into it's built-in stuff sack
Capacity: 9L (about 12 cans + some ice packs)
Weight: 11oz! 


Ripstop Nylon

Shipping & Returns

Free Shipping in the USA! If you're not happy with the product, feel free to return for a full refund in the first 30 days


Holds about 12 cans. Tall enough for a couple bottles of wine.

Care Instructions

Easily turn inside out to clean and dry. Technically machine washable, though we tend to just hand wash.

Less lugging. More Living.

  • Truly Portable

  • Free Shipping

  • Hassle-Free Exchanges