What are the rules pertaining to a male doing a physical activity:

  • If the kipa keeps falling off, is it necessary to wear it?

  • What about modesty? If in the comfort of your own home, can you go topless during an exercise?

  • What about running in the park? Is a t-shirt and shorts outfit fine?

  • 1
    The tzitzs and yarmulke is a diff question from tzinus.Rav Belsky holds one needs to wear tzitzs while playing basketball see his Shulchan Halevi
    – sam
    Commented Apr 23, 2014 at 18:59
  • 2
    @sam Why? It's not a chiuv to wear tzitzit all the time -- only when wearing a four-cornered garment.
    – Scimonster
    Commented Apr 24, 2014 at 19:03
  • 1
    The Tur writes its correct to always wear a four corner garment ,and It seems like the minhag of klal Yisroel
    – sam
    Commented Apr 24, 2014 at 19:40
  • see related answer here
    – mbloch
    Commented May 6 at 12:22

2 Answers 2


Regarding kipa - in a shiur I heard from R' Nissin Kaplan, he said that if you can't play a sport without taking off your kipa, then you can't play i.e. it's forbidden to remove your kipa for the sake of playing. Swimming he said you could for sure take it off, however he said that the Chazon Ish wore a swim cap in the water.

Regarding modesty in your own home - Shulchan Aruch O.C. 2:2, referring to getting dressed, says that a person should not say "I'm alone in my room and no one sees me" and then sit up without a shirt on (instead of putting the shirt on under the covers - 2:1), because Hashem sees everything. So whatever is inappropriate in public seems to apply in private.

  • 2
    According to your last paragraph, if taken literally, would require you to shower clothed and use the facilities without revealing anything...I have seen that shulchan aruch, but I think that it should be learned with guidelines for when not to follow it.
    – Ani Yodea
    Commented Apr 25, 2014 at 20:56
  • 1
    @Ramin Showering has specific guidelines of modesty, e.g. a place where people are normally unclothed and such. If you exercise in the bathroom, then you're good to go. But being in private vs. public will not help you was all that I was showing. Commented Apr 27, 2014 at 4:06
  • @Yez Shulchan Aruch says this only because before, they slept only with a chaluk and nothing else.
    – sem
    Commented Dec 3, 2014 at 11:01
  • @sem I don't see what difference that makes - is your room a private place or not? I wasn't discussing the application of that particular case, although it's not as simple as you would like it to be. My point is just that laws of modesty apply in private. Commented Dec 3, 2014 at 18:31

R Anthony Manning, in his book on tzniut (Reclaiming Dignity) has a section on Tzniut for men (pp. 503ff). He brings a number of sources showing that

  • tzniut is relevant for men just as for women
  • it is relative concept depending on how other men dress locally
  • it might also depend on the conditions on that day (see Gittin 31b)

As such, if all men run in shorts and T-shirt, it is very likely to be halachically permitted. R Manning is much more critical of people wearing "tight pants" or "cycling pants" which are very revealing.

Of course, consult your rabbi before implementing anything you learn here.

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