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The KingCamp Oversized Flannel Sleeping Bag is an envelope-style adult bag with a polyester shell, cotton flannel lining and hollow-fiber fill rated to a 39°F comfort level. It measures 74.8 by 33 inches and weighs about 5.07 lbs, and it packs into a compression sack. A draft tube, hood and water-resistant shell round it out, and two bags can zip together for couples. At $52.99 at Walmart as of November 5, 2026, it sits at the low end of its recent price range.
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Lowest price we've seen: $99.99 on Nov 6 at Broadout. Tracked across 1 store since Nov 6.
Rated 4.4 out of 5 from 261 ratings, the bag draws praise for its flannel softness, roomy cut and value. Complaints center on weight and bulk for backpacking and on warmth falling short of the headline rating.
Size:74.8×33in Package size: 17x10in. Weight: 5.07lbs Fabric:100% Polyester 50D. Lining: 100% Cotton flannel Filling: Polyester Comfort Loft 400g/㎡ Temperature range:5℉-39℉. Enjoy 4-season warmth (39°F comfort rating) with KingCamp's tear-resistant waterproof sleeping bag, featuring heavy-duty polyester exterior and ultra-soft flannel lining. Spacious 74.8"x33" adult design with 400g/m² heat-trapping hollow fiber insulation outperforms standard camping bags. Convert to double-size bedding using dual-zipper connectors for couples, while compact 9"x16.9" compression sack ensures easy storage. Ideal for all weather camping, hiking trips, road trips, or home guest use – 5.07lb lightweight construction balances durability with backpack-friendly portability.


