Eberlestock 2-Layer Reversible Rain Cover These Reversible Waterproof Rain Covers are tailor made to fit our smaller backpacks, in the size class of the Gunslinger and the X1 Big enough to go over our daypacks when they're loaded up, and can even cover a gun in the scabbard If you're going to be out for an extended trip in wet weather, or you'll be bivvying your pack, you'll appreciate having this nice rain cover along Weight: 9 oz Elastic edges ensure snug fit