Lightweight and low profile, the Bass Pro Shops Eclipse 1.5L Hydration Pack makes it easy for active athletes and outdoorsmen to stay hydrated. This rugged, water-resistant, polyester pack makes it easy to bring water or sports mixes along in its 50-oz. no-taste hydration reservoir with on-and-off bite valve. A lightweight and durable design, this pack features breathable mesh shoulder straps and mesh-covered, padded back panel for easier, more comfortable carrying. The Eclipse also features reflective accents for low-light safety. Imported. Type: Hydration Packs.