The Sea to Summit Ultra-Sil Nano Poncho Raincoat and Pack Cover is a 2-in-1 raincoat and backpack cover. Lightweight and compact, it's multi-use gear that no adventurer should be without. Made from waterproof 15D Ultra-Sil Nano fabric, the seams are double stitched and tape sealed. An ergonomic three-panel peaked hood provides additional coverage from the elements. The long back panel accommodates a backpack when camping, hiking, backpacking, or trekking. The Sea to Summit Ultra-Sil Nano Poncho measures 55 x 46 inches, packs down to 2.5 x 5.25 inches in the included stuff sack, and weighs 5.2 ounces. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.