nMesh > Delete History

Removes all construction history from the current nCloth selection.

nMesh > Delete History >

Removes the specified type of construction history from the current nCloth object.

All history: Deletes all upstream construction history for the selected nCloth, including deformers. This option may minimally change the appearance of your nCloth.
Non-deformer history: Deletes all construction history upstream from the selected nCloth object’s deformations, preserving the shape of the nCloth and all its deformers.