• Nylon
• Imported
• Military Grade: Based on U.S Army Modular Sleeping bags system, isolate BIVY cover Sack envelopes your sleeping bag and pad within a waterproof-breathable shell.
• Comfortable: Made of 3 laminating Nylon fabrics, windproof, waterproof and breathable.
• Ultra lightweight: 1.9Lbs Only.
• Portable: Equip with compression sack and straps, quite small volume to carry.
• MINIMALIST design provides comprehensive weather protection that requires little space to use and no time to set up.
• Compatibility: Available with every Mummy sleeping bag, used indoors and outdoor.