While I do believe you need to be at a certain level of physical fitness to be a military reenactor, it´s a shame to give up something you love out of fear. Also, it´s not just age or weight that will make a person sensitive to the heat. We´re on a lot of medications that didn´t exist in the 1860s, that have side effects like sensitivities to heat, humidity, direct sunlight, etc. The guy in his 70s should have acquired the self-awareness to know what conditions were going to be good for him, what weren´t and the in-between ones where you tell your sergeant, ¨I´m going down in the first volley, OK?¨ BTW, me at 61 (age, not year):
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