It is narrated from Sayyiduna Abu Hurairah, may Allah be pleased with him, that when the Noble Prophet, peace and blessings be upon him and his family, would wrap himself in a sheet, the thick flesh of his shin would be visible from beneath the sheet.
Hadith Takhrij«اسناده ضعيف، صالح مولي التوأمة قد اختلط، وزھير بن محمد روي عنه بعد الاختلاط ، (انظر مسند أحمد ترقيم الرسالة: 8706 ترقیم بيت الأفكار الدولية: 8691»
Brief Explanation
Benefits: … The legal ruling (shar‘i hukm) regarding the izar (lower garment) and shalwar (trousers) is that they should be at least above the ankles, and it is preferable that the waist-wrapper (tehband) and the like be kept up to the middle of the shin.