Although the source is not given specifically, It was Joseph of Arimathia who begged the body of Christ for burial, using his own personal crypt for the purpose so likely it was He that supplied the necessary material. After the resurrection, his body was glorified, and he did appear with clothes to his disciples. In fact, on the road to Emmaus two of the disciples were joined by the risen Jesus, but hey did not recognize Him until their eyes were opened. (Luke 24:31) The Lord then vanished. The Bible does not specify where the clothes came from. Presumably, they were glorified clothes as they were able to appear and vanish with Him, as also occurred with angels throughout the Old and New Testaments.
Jesus appeared to the disciples after his resurrection on the third day.
Jesus appears to the disciples after his resurrection, showing himself to them in physical form to prove he is alive. This occurs in the Gospels of Matthew, Mark, Luke, and John.
After his resurrection, Jesus was seen by his disciples, Mary Magdalene, and other followers.
After his resurrection, Jesus appears to his disciples and followers for a period of time before ascending into heaven.
Your question has two answers: Jesus appeared to two disciples on the road to Emmaus the day of His resurrection (Luke 24:13-15), and He appeared in spirit to Saul of Tarsus on the road to Damascus (Acts 9:3-5).
After the resurrection, Jesus appeared to his disciples and followers for a period of 40 days before ascending into heaven.
The event that demonstrated to the 12 disciples that Jesus was the Messiah was his resurrection from the dead.
The event in the Gospels that convinced the disciples that Jesus was the Son of God was the resurrection of Jesus after his crucifixion.
his disciples, before Jesus ascended into heaven
The disciples were meeting together in a room on one of the occasions when Jesus appeared to them after the Resurrection.
The witnesses of Jesus after his resurrection were his disciples, including Peter, James, John, and others who saw him alive after his crucifixion.
Jesus cooked breakfast for the disciples to show his love and care for them, and to strengthen their bond and faith in him after his resurrection.