First introduced in 1995, our Trango™ Tents have become standard issue for mountaineering expeditions year-round. This Trango™ 4 features D-shaped front and rear doors that conveniently tuck away; welded loops for securing the fly; and a bathtub-style floor for better weather protection. At basecamps in the highest, most remote mountains, stay in the shelter world-class mountaineers have trusted for 30 years and counting.