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Pro Extremely lightweight
Depending of the version you choose, the weight can be as low as 0.6 pounds for a small summer one up to 2.1 pounds for an extra-large one suited for the winter camping. Either way you will barely even feel that you have it with you.
Pro Highly customizable
When ordering you can make it so it best suits your needs and taste. You have a wide choice of color options for the inner and outer fabric, various sizes, down types and temperature ratings so you can make the perfect one for you.
Pro Great versatility
You can fully open it up to use as a blanket, attach it to a sleeping pad, or wrap yourself up completely like a burrito and buckle it closed.
Pro Premium down filling used
The filling is 850 or more fill power ethically collected down. 850+ fill power down is usually used in very expensive sleeping bags or don jackets and is considered one of the highest quality there is.
Con Takes a long time to get shipped
Since you can individually order the specs that suit best for you it take up to two weeks for the item to be made just for you and shipped. Alternatively you can buy an already made one but the choice is limited.
Con A sleeping pad is required
Since this is more of a quilt than a sleeping bag, a sleeping pad underneath is highly recommended, especially in cold weather.
Con Potential cold spots
Instead of a complete zipper the quilt uses a short zipper to help fully enclose the foot box, before switching to buttons and buckles above. The buckles and buttons leave open spaces and if not tucked underneath the sleeping pad or yourself heat can leak away because of the limited isolation.