A garment that can be worn inside out.

Able to be reversed.

(of clothing) Able to be worn inside out.

(chemistry, of a chemical reaction) Capable of proceeding in either direction.

(physics, of a phase change) Capable of returning to the original state.

(thermodynamics) Capable of returning to the original state without consumption of free energy and increase of entropy.

(law) Providing sufficient reason for a court decision to be overturned on appeal.