The grey vestibule in Nylon 66 high tenacity is totally designed to reach the best compromise between lightness, waterproofness and durability. We use silycone coating on the out face to increase mecanic resistance and water repealance. The inner face is finished with PU coating that allows us to tape all our seams. The Samaya2.0 vestibule Nylon a waterproofness of 3 000mm. The guy lines with a Dyneema core. We add snowskirts on the floor to guarantee the best stability of the tent. They are designed with a Nylon 30D to be more durable.