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Introducing our latest collaboration: Ida Broen and SLEEPERS. 

 Designed in Norway and manufactured in Sri Lanka to the
highest standards. Ida Broen and SLEEPERS comes in a unique design, made from eco friendly natural rubber.


With a huge passion for the ocean and a common goal of a more sustainable fashion industry, Envelope1976 x Sleepers are proud to collaborate and provide you with a pair of our eco friendly natural rubber signature flip flops.

Feel good about your Sleepers

Eco Friendly

Designed and produced with you and nature in mind. Better for you and better for the planet.

Fairly Traded

Through our partner Fair Rubber we ensure Fair pay and safe working conditions for the workers.

Natural Rubber

Silky soft flip flops made of premium grade natural rubber. Natural rubber feels fantastic and adapts to the foots unique shape.


To create a better world! 99% of the best selling footwear in the world is made of petroleum-based materials. We're making flip flops of plants!