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You'll Never Guess How These Colorful Flip-Flops Are Made

A few months ago we swooned over Allbirds's Tree collection, a line of sneakers made from a textile created with ethically sourced Eucalyptus tree pulp.

And now, the brand (which now counts Leonardo DiCaprio as an investor) is at it again, introducing Sugar Zeffers, flip-flops made from Brazilian sugarcane. Yes, sugarcane.  

According to a press release, most shoe soles are made from plastic foam called EVA that's highly polluting. For its part, Allbirds is dedicated to developing a comfortable and sustainable alternative, hence SweetFoam (used in the Sugar Zeffers), a proprietary sole material made with the world’s first green-EVA, derived from renewable sugarcane.

Inspired by Japanese-style flip-flops, Sugar Zeffers retail for $35 and are available in four colors (with mix-and-match interchangeable straps also available for $15).