I reveal to you "THE PATTERN"...
Outfit adoptable 34 (CLOSED) by Epic-Soldier on DeviantArt:
A monk costume doesn't have to be perfect, as the rougher and simpler, the better.
Deluxe Medieval Monk Costume
Friar Tuck Deluxe Hooded Monk Costume
Monk's Robe: Renaissance Costumes, Medieval Clothing, Madrigal Costume: The Tudor Shoppe
Franciscans monks costume habit and clothing. Peninsula war.
Economy Monk Costume Robe