Marmot Alpinist 2 Person Tent Marmot Alpinist - 4 Season, 2 person. Weatherproof single-wall design with MemBrain 3-layer waterproof breathable fabric Lightweight and strong DAC pole system with press-fit connectors and lightweight hubs Bathtub floor with perimeter seams up and off the ground for additional waterproof protection Recommended use: Mountaineering + Alpine expeditions