Legendary Durability  Resists tearing and will not shred like Mylar blankets.、 Shelter from the Elements  Heatsheets material is waterproof and windproof.、 Stay Warm  Reflects 90% of radiated body heat.、 More than Just a blanket.、 A true ultra-light multifunction backcountry tool that can also be used as a ground cloth、 gear cover、 first aid blanket、 and more.