Range Type 1 Person 2 Person 3 Person Activity
Arctic
Dual vestibule tunnel
Multi-pitch
      5-season
      Arctic/polar travel
      Winter expeditions
      Mtn
      Geodesic
      Inner-first pitch
        5-season
        Mountain trekking
        High-altitude camping
        Lightweight expeditions
        Vapor
        Tunnel tent
        Multi-pitch
            Wilderness trekking
            Hyper
            Tunnels
            Multi-pitch
              4-season
              Wilderness trekking
              Lightweight backpacking
              Ultra
              Geodesics
              Inner-first pitch
              4-season
              Wilderness trekking
              Backpacking
              Trail
              Tunnels
              Multi-pitch
              Trek
              Geodesics
              Inner-first pitch
                4-season
                Trekking
                Backpacking
                Year-round camping
                Raid
                Semi-geodesic
                & tunnel
                Inner-first pitch
                  Ultralight trekking
                  4-season use