The Defence 1 is a Light-Weight sleeping bag with an extremely small stuff size and minimum weight. The shellproof shell fits loosely over the inner structure and provides an extra layer of insulation with no cold seams. This construction ensures reserve warmth for cool, foggy nights. In warmer weather the bottom part of the two-way zipper can be opend for ventilation. The zipper is non-snagging so that you can alway get out quickly and easily. G-LOFT ISO+ FILLING; Manufactured from high-quality bi-component polymers, the structure of G-LOFT insulation is in fact similar in many ways to high-quality goose down. The 3-dimensional crimping ensures maximum resilience and loft. THERMOFLECT; Thermoflect increases the heat retention of a sleeping bag by around 11 %. Thermoflect is our solution to heat loss due to body radiation. Thermoflect is an ultra-light, ultra-soft, breathable scrim with the unique ability to reflect body-heat. THE TRAPEZOIDAL FOOT SECTION; Experience has shown that the