The Speedwell is a versatile hydration compatible waterproof laptop backpack available in Dimension Polyant's iconic X-PacA(R) fabric and MultiCamA(R) CorduraA(R). The waterproof fabrics are known for their durability and exceptional look. The fully weatherproof backpack utilizes the same breathable floating harness system used on the Hauser hydration pack to provide generous airflow, stability and comfort in the most adverse conditions.The main cargo space has plenty of room plus a padded and zippered waterproof laptop compartment that fits up to 16" MacBooks. The flap is secured with a magnetic Fidlock closure for fast and dependable access and features an adjustable position hip belt, chest straps, and a built-in light loop.Water storage is provided by dual exterior water bottle holders and a separate hydration compartment that is compatible with any brand of reservoir up to 3L in capacity.