The Survivor Outdoors Longer Thermal Bivvy with Rescue Whistle offers an advanced solution for staying warm and protected in extreme conditions. Made with a metallized coating that reflects 80% of your body heat, this bivvy keeps you warm while preventing heat loss and shielding you from harsh elements. It’s perfect for emergencies, outdoor adventures, or as an extra layer in your survival gear. With a convenient rescue whistle and tindercord for fire starting, this bivvy is both reliable and versatile in any situation.

Features:

• 80% Heat Reflective: Metalized coating that reflects up to 80% of body heat to trap warmth.
• Weather Resistant: Durable material resists both wind and water, keeping you dry and warm.
• Customizable Ventilation: Adjustable footbox and hook-and-loop closures for easy airflow control.
• Rescue Whistle & Tinder Cord: Integrated whistle and fire-starting cord for emergencies.
• Multipurpose: Works as a sleeping bag liner, emergency blanket, or standalone bivvy.