展开Warmth and durability for any season! The SOL Thermal bivvys metalized non-woven fabric provides waterproof protection from the elements while reflecting 80% of your bodys heat back to you. The SOL Thermal bivvy offers more versatility than traditional emergency sleeping bags the extremely durable fabric resists rips and tears, and thanks to its soft face and aggressive side-venting, it can be pushed into duty as a stand-alone sleep system in warmer weather. Ideal for outdoor users looking for an emergency shelter that can become a regular part of their gear arsenal.