Specifications: - Very unique: Modular for expandability, where 1st tent zips onto 2nd tent. - Free-standing. - Insect-proof. - Single wall (highly breathable = GoreTex laminate). North Face found that this model was going to be too expensive to put into full-scale andle production. Ideal for backpacking, paddling, and/or mountaineering/4-season. The design is still "cutting-edge". The tents would appeal to a collector and real tent afficionado. Would sell one for $475 or the pair of mountaineering tents (to complete and take advantage of the modular system) for $850 total, or best reasonable offer. Willing to swap for cash and something I could use. Shipping/insur. extra.