Hypothermia blankets and emergency blankets manage the heat loss that worsens every serious trauma, a threat significant enough that hypothermia prevention is the final letter of the M.A.R.C.H. sequence. Trauma patients lose the ability to regulate temperature as blood loss progresses, and cold worsens clotting in a dangerous spiral, so covering and insulating a casualty is treatment, not comfort. The same products serve exposure emergencies outdoors, which is why these blankets appear in everything from aid bags to glove boxes.

Options here range across reflective mylar survival blankets, heavy-duty casualty wraps, and active-warming hypothermia management products from trusted trauma brands like North American Rescue, spanning ounce-weight pocket blankets and full casualty management systems.

The tiers serve different jobs. Basic mylar blankets reflect body heat, weigh almost nothing, and belong in every kit by default, but they tear easily and do little insulating in real wind and wet. Heavy-duty wraps add durability and wind resistance for actual casualty movement, and full hypothermia management kits combine vapor barriers with active heating elements for prolonged field care and evacuation, the standard for professional trauma response in cold environments. Match the tier to your realistic scenario: a pocket blanket for the everyday kit, a casualty-grade system for the aid bag. Whichever tier, deploy it early in treatment rather than last, because heat lost is hard to recover in the field.

Hypothermia management anchors the final step of M.A.R.C.H. hypothermia prevention, complements sleep systems in exposure planning, and belongs in every outdoor medical kit.