The vango helix 300 tent is a simple two pole tunnel design tent that is lightweight compact and quick to put up making it a great backpacking tent for duke of edinburgh and other expeditions this three man backpacking tent has a highly waterproof and durable flysheet with a hydrostatic head of 5 000mm and waterproof durable groundsheet too in order to keep you protected from any bad weather the inner is made from a breathable polyester and there are part mesh inner doors for improved ventilatio