We now make our all-in-one raincoat/pack cover/groundsheet/tarp with 15D Ultra-Sil® Nano fabric. At only 8ozs / 230g and with an incredibly small packed size, the Ultra-Sil® Nano Tarp Poncho definitely earns its place in the backpacks of all long-distance adventurers. It is ideal for temperate climates or as an emergency shelter.