Narrated from Anas (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) forbade wearing shoes while standing. © Imam Tirmidhi says:
1- This hadith is gharib (strange),
2- Muhammad bin Isma'il Bukhari says: This hadith is not authentic, nor is the hadith of Ma'mar which he narrates from 'Ammar bin Abi 'Ammar and 'Ammar from Abu Hurairah.