Black Diamond I-Tent Tent. The I-Tent is the classic compact mountaineering design for expedition use: Ultra-strong, lightweight 2-person design with efficient footprint. Single door entry and optional vestibule for gear storage. Has 2 internal aluminum poles for easy setup and 2 zippered vents at the peak, a hooded vent over the door and one at the bottom. Made with ToddTex single-wall fabric – 100% seam taped. Optional ground cloth available, sold separately.