A Removable Storage system provides two classes of media pools: system and application. System media pools include free media pools, unrecognized media pools, and import media pools. Removable Storage creates one free, one unrecognized, and one import media pool for each media type in your Removable Storage system.
Also avoid snacks with a lot of salt as salt makes you thirsty. Good alternatives to trail mix are crackers, potato sticks, grapes or raisins. Plan on having something to snack on every couple of hours on a long day hike to keep your energy level up.
Day hiking: 1  An adequate capacity, typically 30 liters. 2  Side pockets (usually elasticized mesh slots that lie flat against the pack until you wedge an item into place). 3  Compartments (slots or pockets) for organizing small items and loose gear.  Hydration-system compatibility.