The Defence 4 sleeping bag by Carinthia originates from the military sector and is one of the best-selling 3-season sleeping bags in its category. It features a central zipper and an extremely robust and waterproof outer material. The zipper flap effectively protects against wind and moisture, while the integrated heating strip prevents heat loss. The outer shell is made of very lightweight, highly durable microfiber nylon with a fine microporous coating that makes it water-repellent. Finally, the Defence 4 has a generous draft tube inside the zipper to prevent heat loss. The sleeping bag for extreme adventurers! Materials: 100% polyamide Insulation: G-Loft® Differential cut Zipper flap Combinable (part of the sleeping bag system - Tropen) Trapezoidal foot section Heating strip with zipper Anti-snag tape Two-way zipper Thermoflect Construction: 2 layers Compression sack included Comfort temperature: - 8.8 °C Comfort limit temperature: - 15 °C Extreme temperature: - 35 °C Dimensions: M: 215 x 85 x 57 cm / L: 230 x 87 x 60 cm Folded dimensions: M: 25 x 30 cm / L: 25 x 32 cm Weight: M: 1,850 g / L: 2,000 g Carinthia Defence 4 - Sleeping bag