1. One should wear long sleeve kurtas. It is inappropriate for one to wear short-sleeve kurtas in public.
عن أسماء بنت يزيد بن السكن الأنصارية قالت : كان كم يد رسول الله صلى الله عليه و سلم إلى الرسغ (ترمذي رقم 1765)
Hazrat Asmaa bint Yazeed (Radhiyallahu Anha) reports: “The sleeves of Rasulullah (Sallallahu Alaihi Wasallam) would reach till the wrists.”
2. When wearing clothes, then one should commence wearing the clothing from the right side.
عن أبي هريرة رضي الله عنه قال : كان رسول الله صلى الله عليه و سلم إذا لبس قميصا بدأ بميامنيه (ترمذي رقم 1766)
Hadhrat Abu Hurayrah (Radhiyallahu Anhu) reports that whenever Rasulullah (Sallallahu Alaihi Wasallam) used to put on a kurta, he would commence wearing it from its right side.”