Sahih Adab al-Mufrad

Abu Salamah says, I came to Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him), he was my friend. I said to him: Will you go with me to the garden? He came out, and he was wearing a black woolen garment. At that time, he was wrapped in a black cloak.

Sayyiduna Ali (may Allah send blessings upon him) says, the Prophet (peace and blessings of Allah be upon him) ordered Sayyiduna Abdullah bin Mas’ud (may Allah be pleased with him) to climb a tree and bring a miswak or something similar from it. So his companions saw Sayyiduna Abdullah bin Mas’ud’s (may Allah be pleased with him) shin, and when they saw his thin shins, they laughed. Upon this, the Messenger of Allah (peace and blessings of Allah be upon him) said: “What are you laughing at? Abdullah’s leg will be heavier on the scale (on the Day of Resurrection) than Uhud (mountain).”