The gown has a micro porous fabric, which utilizes two layers of nonwoven fabric to enclose a protective film layer that breathes, to dispel body heat.
The rescued migrants huddle in space blankets, plastic sheets layered with vaporized aluminum that shield them from brisk sea winds and help retain body heat.
Furthermore, groups of people can huddle together in this position to conserve body heat, offer moral support and provide a larger target for rescuers.