Prior to taking it out on the trail, I did give it two coats of silicone spray so that it would shed water. Packing-wise, I chose to line it with a garbage disposal liner. If you need a large pack, or are heading on a days-long adventure, this pack won’t work for you. A great… Continue reading 10 5×17 Purple Ozark Trail 17-liter Blanchard Springs Hydration Backpack With Hydration Reservoir