S.O.L survivor Outdoors Longer Escape Series 70 percent Heat Reflective Durable Light Weight Emergency Bivvy EMERGENCY SLEEPING BAG OR BLANKET: Get inside the bivvy like a sleeping bag for the unexpected night out or turn the bivvy inside out to use as an emergency blanket if you’re not ready to lay down. 70% HEAT REFLECTIVITY: Stay warm in the fiercest conditions with a bivvy that reflects 70% of your body heat back to you to prevent heat loss and trap warm air. LIGHTEST BIVVY ON THE MARKET: This bivvy bag can be used for camping, hiking, or biking for an emergency shelter you can rely on and is the size of a 12 oz. soda can when packed up DURABLE, REUSABLE, & QUIET: Have confidence your shelter won’t let you down or cause undue stress. Unlike mylar or polyester, this bivvy features a quiet, tear-resistant material that won’t shred to pieces if punctured or fray your nerves by rattling loudly in the wind. PROTECTION FROM WIND, RAIN, & SNOW: Protect yourself from the elements. This waterproof bivvy has sealed seams and waterproof, windproof material to keep you dry and warm no matter what nature throws at you.