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.
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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.
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Super-durable 68D PU ripstop floor withstands rough treatment on the trail and helps your tent last even more seasons.
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Massive doors and generous headspace allow for side-by-side seating.
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Divvy Cube™ rectangular stuff sack allows you to split the weight with your partner, but stows more efficiently in your backpack.
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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.
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Tapered floorplan saves weight while giving backpackers space where they need it most.
Included with your Tent
- Divvy Cube™ Stuff Sack
- Stakes
- Pole Repair Splint
- Guy-out Cord
| Specs |
2-Person |
| Capacity |
2 Person |
| Season |
3 |
| Minimum Weight |
3 lb , 0 oz / 1.37 kg |
| Packed Weight |
3 lb , 8 oz / 1.6 kg |
| Packed Size |
19.5 x 6.5 x 3.0 in / 49 x 16.5 x 7.5 cm |
| Peak Height |
42 in / 105.41 cm |
| Floor Area |
27.9 sq ft / 2.6 sq m |
| Floor Dimensions |
85 x 52/43 in / 215.9 x 130.8/109.22 cm |
| Vestibule Area |
7.1 sq ft + 7.1 sq ft / 0.7 sq m + 0.7 sq m |
| Freestanding |
Semi-Freestanding |
| Door Quantity |
2 |
| Vestibule Quantity |
2 |
| Canopy Fabric |
Polyester Taffeta/ No-See-Um Mesh |
| Fly Fabric |
OSMO™ |
| Floor Fabric |
PU Polyester (2000 mm) |
| Color |
Citron/Mango |
| Stuff Sack |
Divvy Cube |
| Rainfly Fabric |
Sil/PU OSMO™ (1500 mm) |
