Albert Barnes Commentary John 19:24

"They said therefore one to another, Let us not rend it, but cast lots for it, whose it shall be: that the scripture might be fulfilled, which saith, They parted my garments among them, And upon my vesture did they cast lots." — John 19:24 (ASV)

Let us not rend it. It would then have been useless. The outer garment, being composed of several parts—fringes, borders, and so on (Deuteronomy 12:12)—could be easily divided.

That the scripture: Psalms 22:18.