SOL Thermal Bivvy Warmth and durability for any season! The SOL Thermal bivvy"s metalized non-woven fabric provides waterproof protection from the elements while reflecting 80% of your body"s 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. - Weight: 9.1 oz - Size: 36" x 84"