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Buddhist monks wear robes and shave their heads as part of leaving ordinary household life behind. The clothes are simple, practical and recognisable. In Thailand you will see orange, ochre and brown robes; those shades do not form a ranking system.

Why wear a robe instead of ordinary clothes?
Robes reduce the need to choose clothes for fashion, work or social status. A monk uses what is needed to cover the body and protect it from weather and insects. Clothing is one of the four basic supports of monastic life, along with food, shelter and medicine.
A robe is everyday clothing, not just something worn for religious occasions. It is washed, dried, folded and repaired. Caring for it is part of using donated things responsibly and being content with a small number of possessions.
The three robes and their patchwork pattern
The basic Theravada set has three parts: a lower robe wrapped around the waist, an upper robe for the torso, and an additional outer robe. The outer robe provides another layer when needed. How the cloth is arranged changes with the activity, weather and community custom.
The sewn panels resemble fields separated by paths and boundaries. This traditional pattern turns a length of cloth into recognisable monastic clothing. Early robes could be made from discarded cloth, but donated new cloth is also used. A modern robe with neat rectangular seams is not necessarily made from rags.
There is no need to learn how to wrap monastic robes for a meditation visit. Lay guests have their own clothing arrangements.

Why are some robes orange and others brown?
Robe colours reflect dyes, available cloth and a community’s tradition. Plant dyes can produce earthy yellows and browns; manufactured dyes can give brighter or more consistent shades. Thai forest communities often use subdued ochre or brown, while brighter orange is common elsewhere in Thailand.
A dark robe does not mean a monk is more senior or more enlightened. Novices may wear the same colour as fully ordained monks. To recognise the teacher or abbot, use the introduction or name given by the community rather than judging the colour of the cloth.
Why shave the head?
Shaving removes a familiar way of styling yourself and expressing personal appearance. Together with robes, it marks a simpler life. It also makes hair care straightforward, though regular shaving is still an ordinary maintenance task.
Thai monks commonly shave their eyebrows as well. That is a Thai custom, not a requirement followed in the same way by every Buddhist community. A shaved head alone does not tell you whether someone is ordained: lay trainees, some women renunciants and ordinary visitors may also have shaved heads.
What should you wear at Wat Pa Tam Wua?
Guests wear white lay clothing, not monks’ robes. White clothes are provided and laundered, and you may bring your own suitable white clothes. Choose loose, modest clothing that allows you to sit and walk comfortably; avoid transparent fabric, short shorts and uncovered sleeveless tops.
You do not need to shave your head or eyebrows for Tam Wua’s lay guest programme. Bring modest travel clothes, underwear, a towel and toiletries. Remove shoes before entering halls or buildings where required, and keep the supplied clothing clean.
If you want to donate a robe, first establish the size, material and colour the community uses. A robe that looks beautiful in a shop may not be suitable for the monk who needs it.