The five koshas, explained simply

Ask most people what they are and they will point at their body, then hesitate. The kosha model is an old attempt at a better answer, and it proceeds by elimination rather than assertion.

Where they come from

The five sheaths appear in the Taittiriya Upanishad, in a section called the Brahmananda Valli. It is a Vedantic teaching, not a Hatha one — you will not find it in the Hatha Yoga Pradipika — but it has been taught alongside practice for so long that the two are now inseparable.

Kosha means sheath, or scabbard: the thing a sword sits in. The image matters. A scabbard is not the sword, however well it fits.

The five sheaths

Annamaya kosha, the food sheath. The physical body, called the food sheath because it is built from food and eventually returns to the cycle that fed it. This is the layer asana works on most directly, and the one people mistake for the whole of themselves.

Pranamaya kosha, the breath or vital sheath. Breath, circulation, digestion, the processes that carry on without instruction. This is where pranayama operates, and where the five vayus describe the detail.

Manomaya kosha, the mind sheath. Thought, emotion, memory, the constant commentary. Not wisdom — this is the layer that reacts, wants and worries.

Vijnanamaya kosha, the wisdom sheath. Discernment, judgement, the capacity to stand back from a thought and evaluate it. The difference between being angry and noticing that you are angry lives here.

Anandamaya kosha, the bliss sheath. The subtlest layer, associated with deep sleep and with moments of unselfconscious joy. Often misread as the goal; in the model it is the last covering rather than the thing covered.

Not quite an onion

The usual image is an onion, or Russian dolls, and it is misleading. The sheaths are not arranged in space, one physically inside another. They are levels of subtlety, all present at once.

A better image is a lamp inside five shades of increasingly fine cloth. Nothing is stacked; the light is simply more or less obscured. And you do not travel through them so much as recognise them.

How they map onto practice

This is where the model earns its keep, because a traditional class follows the sequence almost exactly.

• Asana engages the physical sheath and, done attentively, quietens it.
• Pranayama works the breath sheath, which is the first layer you can influence deliberately but not see.
• Concentration — trataka, mantra, watching the breath — addresses the mind sheath by giving it one thing instead of many.
• Meditation touches the wisdom sheath, where the watching becomes steadier than what is watched.
• Deep rest — savasana and yoga nidra — is where students most often report something like the bliss sheath, though naming it tends to end it.

This is why a class that begins with sitting and breathing often fails, and one that begins with movement usually works. You cannot quieten the mind sheath while the food sheath is complaining that it has been at a desk for nine hours.

What the model is good for

Not literal anatomy. The koshas are not organs and nobody has located them.

What they are good for is ordering attention. When a student says practice is not working, the model gives a useful question: which layer are you actually at? Someone trying to meditate through physical restlessness is working at the wrong sheath, and the fix is movement, not more discipline.

They are also a quiet argument against identifying with any single layer. The body changes, the breath changes, moods change, even judgement changes. The model’s claim is that something notices all of it and is not any of it — which is the claim Vedanta spends its whole literature on.

Common questions

What are the five koshas?

Annamaya kosha, the food or physical sheath; pranamaya kosha, the breath and energy sheath; manomaya kosha, the mind and emotion sheath; vijnanamaya kosha, the wisdom or discernment sheath; and anandamaya kosha, the bliss sheath.

Where do the koshas come from?

The Taittiriya Upanishad, one of the principal Upanishads, which sets them out in its Brahmananda Valli section. They are a Vedantic model rather than a Hatha Yoga one, though yoga schools teach them alongside practice.

How are the koshas used in yoga practice?

Loosely, as a map. Asana works mainly at the physical sheath, pranayama at the energy sheath, concentration and meditation at the mind and wisdom sheaths. A well-ordered class moves through them in roughly that sequence.

Is anandamaya kosha the same as the self?

No, and this is the point of the model. The bliss sheath is the subtlest covering, not the thing covered. In Vedanta the self, atman, is what remains when even that sheath is recognised as something you have rather than something you are.