וַיֹּ֣אמֶר יַעֲקֹ֔ב אֶל־רִבְקָ֖ה אִמּ֑וֹ הֵ֣ן עֵשָׂ֤ו אָחִי֙ אִ֣ישׁ שָׂעִ֔ר וְאָנֹכִ֖י אִ֥ישׁ חָלָֽק׃
And Jacob said to Rebekah his mother: ‘Behold, Esau my brother is a hairy man, and I am a smooth man.
Read halakhic rulings (Jewish law) on Genesis 27:11: and classical halakhic sources.