Tell me more ×  Some rabbonim are wearing really long and large
talith katan. For example Rav Shmuel Auerbach shlita (picture
below). Rav Elyashiv ztl used to wear a very long one too.
Which shita are they following? This is quite a bit longer than
Chazon Ish shiur; I wonder if perhaps it has something to do
with the Gra, as I read that he requires the talith katan to go
down to the knees. (See note 10 here.)  Rav Shmuel Auerbach
tallis  share|improve this question Didn't you just answer your
own question? –  sam Jul 29 at 14:56 add comment  2 Answers  up
vote 2 down vote accepted  The answer is like you said that it
is the opinion of the Gr"a. It is quoted from Rabbi Chaim of
Volozhin that the Gr"a held any smaller sized Talis Katan to be
Hotzaah on Shabbos. Reb Menashe Klein (Mishneh Halakhot) and Rav
Moshe Sternbuch in Halichos Hagr"a pg. 38 explain that the
opinion is based on the fact that the Torah only required a
garment that is of size one will use it to go into a
marketplace. Therefore they explain