• Tough 4-ply fabric is windproof and waterproof; material reflects up to 80% of your body heat back to you
• Works well as a lightweight substitute for a sleeping bag when nighttime temperatures are 50°F or above
• Foot vent and large opening at the top keep you from getting too hot
• Reusable SOL Thermal bivy comes packed in a stuff sack; packs down to 6.5 in. x 7 in.