Know your gear series: Harness, fitting to your body and effects to consider. by Damian Alvarez The harness is a fundamental piece of your skydiving gear. As such, you know it like the back of your hand, right? Maybe the answer is "well, not really". Many experience jumpers will answer that. Most novice jumpers looking for their first rig also often neglect the importance of a harness that fits them. Coming from "one size fits nobody" student gear, they don't even know how a harness sh