Ultra-lightweight (180g) sleeping bag cover for hiking and camping. UL breathable, waterproof, and retains 70% of body heat. [Tyvek material with alum

⛰️ [Convenient Sleeping Bag Cover] This sleeping bag cover protects your sleeping bag from dirt and condensation while increasing its warmth. It can be used alone as a summer sleeping bag cover during warmer months, or placed inside a backpack as a pack liner. It's also a great idea to bring it with you for emergency bivouacs. (We recommend using it with a tent.) ⛰️ [Breathable Material for All Seasons] Made with DuPont Tyvek fabric, it's breathable, waterproof, windproof, and durable. The aluminum vapor deposition lining achieves 70% radiant heat absorption. The combination of breathability and heat retention keeps your sleeping bag comfortable. ⛰️ [Ultralight & Compact] This lightweight sleeping bag cover weighs just 180g and is compact enough for ultralight hiking. It fits snugly into your backpack, reducing the burden of your luggage. ⛰️ [Perfect for a Variety of Occasions] This cover is suitable for a variety of activities, including mountain climbing, hiking, trekking, long trails, UL hikes, and stream climbing. It's ideal for camping in tents, mountain huts, emergency shelters, tarps, floorless shelters, hammocks, bivies, and other outdoor activities. It can also be used for a variety of camping situations, including solo camping, UL camping, backpacking, and winter camping, car camping, and for disaster preparedness and emergencies. ⛰️ [Usage Precautions] This product is not completely waterproof. While breathable, condensation may occur internally depending on the environment (outside temperature, humidity, sweating, breath, etc.). This product is not suitable for harsh environments, such as winter mountain climbing. This sleeping bag cover is mummy-style and is not suitable for envelope-style sleeping bags. Thick or wide sleeping bags, such as winter sleeping bags, may not fit this sleeping bag cover. 🏕️ [Preventing Internal Condensation] To prevent condensation, you can place an inner sleeping bag between the sleeping bag cover and the sleeping bag, or place it inside the sleeping bag as an inner sheet. Try finding your own way to use it. ⛰️ [Specifications] Shape: Mummy-shaped Material: High-density polyethylene nonwoven fabric (Tyvek®) with aluminum vapor deposition Size (approx.): L 203cm x W 76cm Packed Size (approx.): L 20cm x W 9cm φ Weight (approx.): 182g (Product: 175g, Storage Bag: 7g) 🏕️ OUTBEAR products are designed, developed, sold, and supported by a Japanese manufacturer. Returns and refunds are accepted within 30 days of purchase. We will respond promptly to any questions or defects after purchase.