1. Emergency Survival Sleeping Bag - 1 Person (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
Wind and waterproofReflects, retains and shared body heat

2. Emergency Mylar Survival Sleeping Bags - Pack of 4 Bags. SSB-4 (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
great for earthquake kitsHold in 99% of body heat

3. Emergency Mylar Thermal Blankets (4-Pack) + BONUS Signature Gold Foil Space Blanket: Designed for NASA - Perfect for Outdoors, Hiking, Survival, Marathons or First Aid (Various Color Options) (Click Link to Check Price on Amazon)
Editor's Rating : 9.6 out of 10
FOUR MYLAR EMERGENCY BLANKETS (Red) - Durable advanced aluminized dual-sided Mylar blankets are perfect for staying warm in survival situations by conserving body heat. Include them in your hiking backpack, first aid kit, go-bags, or emergency kits at home or work.BONUS GOLD SPACE BLANKET - Each package includes ONE GOLD colored space blanket (dual-sided Gold/Silver), individually sealed and conveniently folded in half to fit in the palm of your hand or pocket.

4. Terra Hiker Emergency Sleeping Bag Survival Tool in Small Pocket-Sized (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
EMERGENCY WARMING TOOL: Retains 90% of radiated body heat to help preserve crucial warmth in cold and challenging circumstancesPROFESSIONAL EMERGENCY COLOR: Highly visible vivid orange hue to use for signaling for help in emergencies

5. SOL Escape*Lite Bivvy Breathable Survival Sleeping Bag (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
A Lighter, Faster version of the famous SOL Escape Bivvy!Breathable, but keeps rain, snow, and wind out!