The Lifesystems Light and Dry Thermal Bivi is an expedition essential. Small and light enough to fit into any adventure pack, the bivi retains over 90% of radiated body heat, is wind and waterproof, as well as boasting radar reflective technology for search and rescue functionality.A lightweight, reusable bivi bag from LifesystemsRetains over 90% of radiated body heatWindproof and waterproof Radar reflective for search and rescueLight and compactMade from strong, metallised polyethylene Recommended activity - survival / travel