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.
| 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) |