• nylon
• ULTRA COMFORT & DURABLE! Nylon outer, soft Imitation silk cotton filling, 100% Polyester Pongee Lining(Breathable and skin-friendly) keep you warm and blocks out temperatures over 59 degrees to give you a warm, ultra-comfortable night's rest.
• LIGHTWEIGHT, SMALL, EASY TO PACK! This space-saving summer sleeping bag for men, women, boys and girls can be compressed down to just 6.9IN in height and weighs about 1.54 lbs. The smallest sleeping bag for backpacking and travel.
• HOT WEATHER SLEEPIGN BAG! This ultralight sleeping bag is comfort in 59°F/15°C, You can use our warm weather sleeping bag without sleeping bag liner in multiple weather conditions.
• 2 PERSON SLEEPNG BAG! Two sleeping bags(Any color) zipped together to create one large super snuggly double sleeping bag, makes your camping experience more easy and convenient.
• MULTIPURPOSE VERSATILITY! It's the perfect sleeping bag for camping trips, BoyScouts or mountain hiking. Great for traveling, backpacking, golf, home, hiking, trekking or scouts and many more.