This is a Request for Information (RFI) and Sources Sought announcement, not a solicitation, to identify industry partners capable of supplying an Extreme Cold Weather Sleeping Bag System for Soldiers. The system must be lightweight, highly compressible, and provide thermal protection down to -60°F for dismounted operations. Responses are due by 16 July 2026, and no funding is currently available for procurement. The government seeks information on product specifications, production capacity, Berry Amendment compliance, and cost, with potential cold chamber testing to follow. No contract will be awarded from this announcement, and all costs incurred in responding are the responsibility of the respondent.