ALPS Mountaineering Camp & Hike Helix 2-Person Tent Charcoal/Red 5222318. The ultralight 20D ripstop nylon fly and floor balance durability and weight while maintaining superior waterproofing to ensure that you stay dry even in the wettest conditions. The unique three-pole design provides extra headroom to sit up without feeling cramped. The fly attaches to the tent with robust and lightweight aluminum hardware offering a strong connection to make sure the fly stays taut no matter what. With excellent ventilation ultralight materials and sturdy aluminum poles the Helix is up for any adventure.