Nemo Mayfly OSMO 3P
Built for rugged backpacking adventures, the Mayfly OSMO™ combines hard-wearing materials with trail-friendly comfort. Its OSMO™ fly fabric — made from 100% recycled fibers — delivers 4x better water repellency, 3x less stretch when wet, and meets fire safety standards without added chemicals or PFAS.
The tough ripstop floor stands up to rough terrain, while massive doors and generous headroom make for a surprisingly spacious and comfortable interior. Setup is simple with NEMO’s Elements™ hardware and Axial™ corner anchors for fast, secure pitching.
Finished with the Divvy Cube™ stuff sack for efficient packing and weight sharing, the Mayfly OSMO is ready to go wherever your trail leads.
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 packs 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 floorplan saves weight while giving backpackers space where they need it most.
Pro Tip: protect your tent with the 3-person Mayfly OSMO Footprint (sold separately)
Sleeps: 3
Minimum weight: 1.63 kg (3 lbs 10 oz)
Packed weight: 1.86 kg (4 lbs 1 oz)
Number of doors: 2
Number of vestibules: 2
Interior peak height: 105 cm (42")
Floor area: 3.7 sq m (39 sq ft)
Vestibule area: 0.8 sq m (8.6 sq ft) x 2