Armed with NEMO’s top-performing OSMO fabric on the fly, Mayfly OSMO is a notably durable backpacking shelter for adventurers ready to hit the trail. A proprietary composite fabric, OSMO is made from 100% recycled polyester and nylon yarns and scores 4x better in water repellency than standard tent fabrics — all while stretching 3x less when wet. OSMO fabrics meet fire retardancy standards without the use of added chemicals and are treated with PFAS-free waterproofing.

Paired with the OSMO fly is a super-durable ripstop tent floor that can withstand the not-so-precious treatment that comes with life on the trail. Mayfly OSMO’s massive doors and generous headspace, however, feel anything but rough — there’s ample room for two to comfortably sit side by side.

Featuring NEMO-exclusive Elements hardware, this semi-freestanding tent offers an easy, intuitive setup that’s highlighted by the Axial corner anchors, which allow for connection and adjustment in one streamlined piece. A Divvy Cube stuff sack completes the package for efficient storing and splitting the weight with a friend.

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• bluesign approved OSMO fly meets strict ecological and chemical requirements and has been produced with a minimum impact on people and the planet.
• High-performance, high-strength OSMO poly-nylon ripstop fabric has 4x longer lasting water repellency and 3x less stretch when wet.OSMO fabric is made from 100% recycled yarns that are PFAS-free and meet flame retardancy standards without the use of added chemicals.
• Super-durable 68D PU ripstop floor withstands rough treatment on the trail and helps your tent last even more seasons.
• Massive doors and generous headspace allow for side-by-side seating.
• Divvy Cube rectangular stuff sack allows you to split the weight with your partner, but stows more efficiently in your backpack.
• Hubbed, pre-bent aluminum poles with a high-arching main pole to significantly increase volume at the head and foot ends.
• Color-coded webbing and NEMO-exclusive Axial corner anchors create a smooth, intuitive setup experience.
• Tapered floor plan saves weight while giving backpackers space where they need it most.

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