I'm fairly fit, I box, lift, run, and play airsoft. The only difference between this and airsoft is the weight is distributed differently, I could hold my rifle all day and my vest keeps anything on my person evenly distributed weight wise. But this seems different, since the bulk of weight is in my hand, and if I buy the armor I want, on my shoulders. I hadn't planned on wearing leg armor so the weight, if any would be concentrated on my arms and upper body. Though I wasn't really planning on wearing any armor to my first event, it's fairly expensive stuff.