Choosing the right sleeping bag for varying spring temperatures can be a challenge, but not anymore. KingCamp has crafted the ideal solution with our Flannel 3-in-1 Sleeping Bag. Here’s why it stands out: Versatile Comfort: Experience versatility like never before. This 3-in-1 sleeping bag adapts to your needs: Use the top layer alone for cooler temperatures. Opt for the cotton inner lining in warm weather. Combine both layers for extra chilly nights. Optimal Design: The rectangular design allows you to stretch out fully, ensuring a cozy and comfortable sleep. Hollow Fiber Filling provides a soft, warm, and extremely comfortable feel. Fully opened zipper transforms the bag into a cushion or mattress for added convenience. Roomy and Comfy: The large and wide size caters to campers of all shapes and sizes, offering a roomy and comfortable night’s sleep. Internal pocket for storing essentials like a flashlight, wallet, keys, watch, and other valuables. Tech Specs Best Use Camping Female Comfort 34℉/1℃ Male Comfort 23℉/-5℃ Extreme -8℉/-22℃ Weight 6 kg/13 lbs Outer Fabric 80%Polyester 20%Cotton Lining 80%Polyester 20%Cotton Fill 100% Polyester hollow fiber 350 g/㎡ Sleeping Bag Shape Envelope Dimensions 203×96 cm / 80× 38 in Packed Size 90 ×Φ32 cm / 35 × Φ13 in Q&A 1. Q: Does the highback chair feel like it forces your chin down towards your chest? A: No, it allows your head and neck to relax 2. Q: Will these chairs work for sitting on a hill, like a lawn concert venue, or a baseball game? A: yes the event I went to was on lawn concert venue with a slight slope. The chair was comfortable. I liked the cup holder.