The same ultra light ultra warm full protection shelter that professionals rely on. The SOL (survive outdoors longer) emergency bivvy is made from the same heat reflective polyethylene as Adventure Medical Kits emergency blankets. It reflects 90 per cent of your body heat back to you with the added benefit of being fully sealed so that no wind rain or snow can get inside. If you’re forced to spend the unexpected night outdoors hop in the survive outdoors longer emergency bivvy as soon as the temperature drops and instantly improve the odds in your favour.