I always wear a black shirt.  It's something that I've heard from several sources.  I think it does reduce flicker a bit, but I think lighting is the most important part.

One question that I've been wondering a while is whether it's worth wearing a long-sleeved shirt.  I always wear a black t-shirt while animating, to keep flicker down, but it occurred to me that wearing a black long-sleeved shirt might reduce flicker even more as it covers the arms as well.  Since it's summer and fairly hot and stuffy in my animating room/studio I would want to avoid wearing one if possible (especially as all my black long-sleeved clothes are sweaters/jumpers and fleeces) so I'm wondering whether it would reduce extra flicker enough to merit wearing one.

Yep, exactly this. I find most of my annoying light flicker is the result of light bouncing off light clothes and skin.

Nowadays, I only work in black (and sometimes very very dark gray) shirts, though I don't care about my pants, since they are always dark jeans. I wear short-sleeves, because otherwise I get too hot, and I generally try to remain conscious of where I'm standing when I capture the frame to lessen the change of a reflection even more.

Changing into a dark shirt is a simple thing to do, and I recommend all stop-motion animators, pro and amateur alike, to at least try it.

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I don't wear a black shirt. Where I live, it's near impossible to wear that dark of a color because of the 100 degree weather. When I have a set that I notice is extremely reflective (like a black brick background or dark gray), I put a black piece of paper with a hole in it for my camera on the edge of my table to cover me up. It works very well, because I sit behind the paper, and it keeps the reflection down. Sort of like what Michael Hickox uses in is videos, except I put it around my cammera instead of behind sue to the layout of my room and desk, and where I sit. It makes it kind of hard to animate at times, though, because I have to reach over the paper.

As for long sleeves and gloves, Paganomation's crew don't wear long sleeves or gloves, or even have back paper. But they do wear all black. https://www.flickr.com/photos/paganomation/4421180766/

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"Whatever you do, do all to the glory of God." - 1 Corinthians 10:31b

I think what he meant was was all people who do stop motion animation for a living wear dark clothes.

I used to wear a black hooded sweatshirt but I found it too hot when sitting next to four desk lamps in a closed room and it got in the way of my hands so now I wear a black shirt .

I always where black. It makes even more of a difference with LEGO than other stop motion puppets and sets because the stuff is so darn reflective. Even if you can't see yourself in it, I guarantee it's bouncing light all over the place. I've also pondered the long sleeve shirt, but I usually get so hot animating as is I'm not sure it's worth it. Summer in Southern California isn't exactly cold...

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I usually find myself wearing a blue top rather than others. To me, it doesn't bother me it it's light or dark, as long as it's blue. I'm funny like that.

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I usually duck down under a table so whatever clothes I wear usually aren't relevant unless I make a mistake.
If I'm animating all week though I can't really wear dark clothes all the time because I only have a few black shirts.

It probably would be better to wear black though just in case you hadn't ducked properly.
I sometimes think that it would be nice if I had dark brown skin so my skin wouldn't reflect either.
In times where I didn't duck, my skin has been a problem.

I used to wear black. But as time has gone on, I've found that just as long as I don't wear something too bright (like white) I'm fine.

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