Naturehike Ultralight Down Sleeping Bag 650Fp Backpacking Sleeping Bag For

650 fill power, STAY WARM AND DRY. Temperature for Comfort: 40.4℉ (4.7℃). ZIPPERS: YKK. We will respond to your concerns within 24 hours. 【RDS Down Filled】Selected the best duck down, no odor and impurities, safe and healthy for adults and kids.