The phrase "seamless robe" refers to something that is complete, consistent, and without any flaws or interruptions. It means that all parts or aspects are connected smoothly without any visible seams or breaks. Full definition
As a result of the new understanding of the Bible, from the study of the last 200 years, the once seamless robe into which all these strands of thought were woven has been torn apart, just as surely as the curtain of the Jewish temple was said to have been rent in two on the first Good Friday after the death of Jesus. (religion-online.org)
Remember the soldiers drew lots to see who would win the royal seamless robe..... (religion.blogs.cnn.com)
In John's Gospel, Jesus» garment is described as a seamless robe. (religion-online.org)