The Department of Defense, specifically the U.S. Army Product Manager Soldier Clothing and Individual Equipment (PdM SCIE), is conducting a market investigation to identify domestic manufacturers compliant with the Berry Amendment for the production of the All Range Tactical Clothing (ARTC), focusing on the Extreme Cold Weather Uniform, which includes the Extreme Cold Parka and Trousers. Interested vendors are invited to respond to this Sources Sought notice within 21 days, providing detailed company information, estimated pricing, production capabilities, and a statement of their relevant experience as outlined in a draft Technical Data Package (TDP). This procurement is crucial for ensuring that the Army has access to high-quality cold weather clothing, which is essential for operational effectiveness in extreme conditions. Responses should be directed to Mr. Alejandro Silva at alejandro.a.silva.ctr@army.mil, with questions accepted within seven days of posting; please note that this is not a request for proposals or quotes, but rather an initial step in developing an acquisition strategy.