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REI Mountain 3 Tent

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The REI Mountain 3 delivers a strong, weatherproof shelter for use in high-mountain environments where strength and livability are top priority.

  • Efficient, livable design gives generous usable space, featuring a semi-rectangular floor plan
  • Hub-pole construction adds structural integrity and makes setup easy
  • You'll have quick, convenient and sheltered access through 2 doors with a large front vestibule and small rear vestibule
  • Dual weatherproof AirLift vents increase tent's strength in high winds and prevent condensation by allowing airflow; can be controlled from inside tent
  • Insider Floor seams are engineered to create a clean, taut pitch; factory seam-taping ensures a waterproof seal
  • Leak-proof rainfly construction ensures that water won't sneak through susceptible areas such as guyout points and zippers
  • Innovative snowflaps keep wind and snow out of vestibule while providing an extended floor
  • Welded TPU zipper flaps ensure smooth zipper operation with no annoying fabric snags
  • Stay organized with multiple interior storage options thanks to four mesh side pockets and hang loops located throughout
  • Strong, reliable DAC aluminum poles; REI-exclusive Strong Arm clips at each pole intersection strengthen pole structure and allow swift setup
  • Watertight welded vestibule window brings light inside and lets you view conditions outside
  • Color-coded rainfly corners allow easy orientation of rainfly on tent for easy setup
  • Attention to detail shows in the reflective guyout points and zipper pulls
  • The REI Mountain 3 tent comes with guylines and tighteners, stakes, pole and stake bags, and tapered, easy-to-use compression stuff sack
  • Save weight and create a minimalist shelter by using just the rainfly, footprint (sold separately) and poles


Item 739349

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Manuals and Instructions:

manualMountain 3 Setup Instructions

manualSet-up Instructions

REI Mountain 3 Tent Specs
Best use
8 lbs. 13 oz.
4 kilograms
9 lbs. 13 oz.
8 x 25 inches
88 x 74 inches
223 x 188 centimeters
42.4 square feet
13.5 + 4 square feet
44 inches
112 centimeters
2 doors
Aluminum DAC 7001
9 millimeters
Ripstop nylon
Coated nylon taffeta
Coated polyester taffeta
Freestanding tent
Sleeping capacity
Minimum trail weight
Minimum trail weight - metric
Fly / footprint pitch weight
Packaged weight
Packed size
Floor dimensions
Floor dimensions - metric
Floor area
Vestibule area
Peak height
Peak height - metric
Number of doors
Number of poles
Pole material
Pole diameter
Canopy fabric
Floor fabric
Rainfly fabric
Design type

REI Mountain 3 Tent

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