SOL Escape LITE BivvyStay warm, dry, and prepared with the SOL Escape Lite Bivvy, a game changing survival essential weighing just 5. 5 oz. Made with highly durable, heat reflective, and breathable material, this bivvy bag retains 70% of body heat while preventing condensation buildup. Its water resistant and windproof design makes it ideal for emergency preparedness, ultralight camping, or as a sleeping bag liner for added warmth. Use it as a standalone summer sleeping