The Ultra-Sil Nano Tarp-Poncho by Sea To Summit is a very versatile poncho. It can be used as a tarp, a protective cover, a poncho, or a temporary shelter when caught in the rain. Used in poncho mode, the Ultra-Sil Nano Tarp-Poncho is large enough to cover both you and your backpack. The adjustable hood will protect your head from the elements. This poncho has loops to attach cordage, transforming it into a shelter. The Ultra-Sil Nano Tarp-Poncho is made from 15D silicone-coated nylon. This material is waterproof and has a water resistance rating of 1200 mm. Combining flexibility and versatility, this tarp-poncho is a must-have!