Lining Adults sleeping bag with 100% flannel lining, soft and skin-friendly for warmth. Velcro Securing Strap The velcro securing strap ensures you will be snug in your bag and will help prevent any unwanted zipper opening as you sleep. Drawstring at Headrest The drawstring at the headrest is great in colder weather to help bring the bag closer to your head and body to keep you warmer. High Quality Zipper No snag zipper helps ensure you can easily and quickly, zip yourself into the warmth of your sleeping bag. A convenient double-sided zipper also allows for closure while lying inside. Free Your Feet Cool Off Cool off by creating an opening at the bottom of the sleeping bag to let your feet breathe! Water-resistant Shell Finally, a sleeping bag that won't cause water to easily seep through in the lightest drizzle and make you as uncomfortable as can be. Stay dry with the camping Sleeping Bag.