If you like the idea of the Big Agnes sleep system but are looking for the absolute lightest most compact bags available, you can look at the Divide Series. We offer these in both synthetic and down but a little bit different than our classic series. In our synthetic bag we offer PrimaLoft high loft insulation and our WRM fabric which is by weave a water resistant windproof material. In our down bags we use a premium 800 fill goose down the Toray microfiber rip-stop nylon from Japan which is the lightest available fabric in sleeping bags today. What sets our Divide bags further apart is that you do have to have a custom mummy shaped pad for these bags, which means that you will have to buy a Big Agnes pad. The benefit is that you get all of the efficiency of a tapered foot in terms of thermal efficiency, minimum bulk, and minimal weight. You get the extra volume in the shoulders so that you can roll and turn inside the bag. You get the benefit of staying on the pad and again you are carrying an even lighter weight pad by going to a tapered cut. All of the features are the same in terms of insulated hoods, collars, zippers and ease of access. These bags are available in 35, 20, 0 and -20 options.
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