OverviewArmed with NEMO's top-performing OSMO(TM) fabric on the fly, Mayfly OSMO(TM) 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(TM) hardware, this semi-freestanding tent offers an easy, intuitive setup that's highlighted by the Axial(TM) corner anchors, which allow for connection and adjustment in one streamlined piece. A Divvy Cube(TM) stuff sack completes the package for efficient storing and splitting the weight with a friend.bluesignA(R) 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(TM) 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(TM) 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(TM) corner anchors create a smooth, intuitive setup experience.Tapered floorplan saves weight while giving backpackers space where they need it most.Included with your TentDivvy Cube(TM) Stuff SackStakesPole Repair SplintRepair KitGuy-out Cord*Nalgene NOT Included*Specs3-PersonCapacity3 PersonSeason3Minimum Weight3 lb , 10 oz / 1.63 kgPacked Weight4 lb , 1 oz / 1.86 kgPacked Size18.0 x 6.5 x 4.0 in / 46 x 16.5 x 9.5 cmPeak Height42 in / 105.41 cmFloor Area39.7 sq ft / 3.7 sq mFloor Dimensions88 x 68/62 in / 223.52 x 172.72/157.48 cmVestibule Area8.6 sq ft + 8.6 sq ft / 0.8 sq m + 0.8 sq mFreestandingSemi-FreestandingDoor Quantity2Vestibule Quantity2Canopy FabricPolyester Taffeta/ No-See-Um MeshFly FabricOSMO(TM)Floor FabricPU Polyester (2000 mm)ColorCitron/MangoStuff SackDivvy CubeRainfly FabricSil/PU OSMO(TM) (1500 mm)