The Vango Ark 400+ Tent is an easy to pitch tent that offers a lovely roomy porch area with large diamond clear windows so that you have plenty of room for yourselves & your gear making it ideal for festivals & weekends away The Ark 400+ is made from Vango s own Protex outer material to offer you reliable waterproof protection while the inner tent is made from a breathable polyester which is a darker to fabric to reduce the amount of early morning light this easy to pitch tent also has a linked in groundsheet & has been approved by the Scout Association When we first saw this tent we thought it looked like a cross between two of Vango s most popular long standing tents the Beta & the Alpha It has the tunnel construction of the Beta with the added bonus of the gothic arch pole structure of the Alpha to increase stability & assist with water run off making this a fantastic choice of tent for any festival goers & weekend campers