Carrying Water
There are several ways to carry water when you're out and about. Hydration Bladders Hydration bladders, such as the Platypus Big Zip LP, are large pouches that slide into a sleeve inside your backpack's main compartment. They have a drinking tube which is routed through the top of the pack and is then attached to your shoulder strap for easy access. To drink, all you have to do is put the end of the tube in your mouth. The example given above weighs 170g for the 3 liter size (57g per liter) and costs around $40 ($13.33 per liter). The [...]