Swimming In Armor 5e. Mariner's Armor 5E Ac at Natalie McGuire blog Doff times depends on armor (light, medium, heavy), but it is measured in minutes You can do whatever you like; what I would do is play it as written
How Long Can You Hold Your Breath 5E? D&D Swimming Mechanics Nerds & Scoundrels from www.nerdsandscoundrels.com
A decently fit person can swim about a half mile in relatively calm lake water in trunks If the Armor table shows "Str 13" or "Str 15" in the Strength column for an armor type, the armor reduces the wearer's speed by 10 feet unless the wearer has a Strength score equal to or higher than the listed score.
How Long Can You Hold Your Breath 5E? D&D Swimming Mechanics Nerds & Scoundrels
I've experimented with chainmail shirts weighing just 30 pounds and found my normally solid swimming ability drastically reduced DC 10 to move around Heavy armor: DC 10 just to stay in place. When sailors didn't wear armor it was because of cost, or because no one was wearing armor anymore
Methods & Madness SCALING ARMOR for 5e D&D. If the Armor table shows "Str 13" or "Str 15" in the Strength column for an armor type, the armor reduces the wearer's speed by 10 feet unless the wearer has a Strength score equal to or higher than the listed score. I don't have the book on me, but swimming in clothes probably kicks up the difficulty 1 tier, and those clothes being weighted kicks it up another.
Artofit. I've experimented with chainmail shirts weighing just 30 pounds and found my normally solid swimming ability drastically reduced The second video may be judged to feature someone wearing some level of half plate