A mask for a system, method, and apparatus for air delivery. A formable mask having an oxygen supply port and exhaled air removal components for the delivery of oxygen enriched air to a user. The formable mask includes formable components and materials to increase comfort and minimize chafing of a wearer. The formable mask further includes a harness to hold the mask in position on a user's head, where said harness minimizes chafing of the user. An oxygen delivery system uses the formable mask and oxygen supply components. Oxygen supply components include a flow rate throttling valve and an O2 reservoir to conserve O2 use and insure O2 availability to a patient.
