Necessities? Regardless of outdoor activity type, there are some pieces of kit that cross the gamut, gear that you'll use no matter what your activity du jour. Here's our list of the best you can find.
There are a number of ways to carry your water into the wilds, hydration bladder, water bottles bot soft and hard, and there are a number of ways to purify and filter your water. Let's start with the basics of carrying water.