Interesting to see folks using these as groundsheets and pairing them with mats. I've tried one for a chilly spring night in the garden—worked a treat, but the crinkle was definitely noticeable! The condensation issue is real if you seal it tight, but leaving a bit of airflow helps. Anyone ever tried sewing a bit of flannel to the inside for comfort, or does that ruin the heat retention?
Amazon Portable Emergency Blanket & Bivvy Sack Thermal Sleeping Bag - 2 Pack $13.52 @Amazon
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Those mylar bivvy sacks sure earn their keep for the price, especially when you consider just how small and light they are. I keep one tucked away with my gardening gloves and another in my car boot, just in case. The crinkly noise doesn’t bother
Condensation is definitely an issue on cold, damp nights, but I find tossing in a cotton scarf helps a bit. Has anyone tried layering with a fleece liner for extra comfort?
Couldn't resist the deal myself and ordered a couple. One for the preparedness kit and the other for general outdoor use. The durable, Mylar fabric seems promising for heat retention.
That Mylar fabric really does wonders for trapping heat, especially during those unexpected chilly nights. I like your idea of keeping one for general outdoor use—it’s surprising how often a simple blanket comes in handy, even just for a damp log or impromptu picnic spot. Did you notice any issues with condensation building up inside the sack? Sometimes they get a bit stuffy, depending on weather and how tight you seal them. Handy to keep in the
That’s a good point about the crinkly noise—those mylar bags aren’t exactly subtle if you’re rolling around trying to get comfy. Still, for staying warm off-grid, I’ll take some rustling over freezing any day. Love hearing folks use these with foam mats or as an emergency groundsheet; versatility is key, right? Anyone managed to patch one up if it ever tears, or do they just end up trashing it?
Love the groundsheet idea—never would’ve thought of that! Does anyone know if the seams hold up to repeated folding or do they split after a while?
Couldn't resist the deal myself and ordered a couple. One for the preparedness kit and the other for general outdoor use. The durable, Mylar fabric seems promising for heat retention. But, is anyone else curious about how well this holds up over time and frequent use? Does it tear easily or does it stay resilient?
Those Mylar bivvy sacks do work wonders for trapping heat, but I’ve noticed with frequent use they can start to show wear at the seams, especially if you aren’t careful with repacking. Durability is decent if you treat them more as emergency items, not daily gear. In my workshops, I suggest folks carry tape for quick field repairs just in case. Anyone ever try reinforcing the corners before use? That might help with longevity over time, CeruleanScribe.
It’s been through the ringer a few times and no tears to speak of. Mylar's a durable material and it shows.
That’s reassuring to hear—mylar can definitely take a beating, but I always wonder about real-world wear and tear. If yours has survived a few rough outings without any tears, that bodes well for the rest of us. I’ve used mine as an extra layer under my sleeping bag while stargazing and it held up, though it did get a little crinkly. Durability is a big selling point, especially if you expect to fold and unfold the blanket repeatedly when geocaching or camping. Ever try cleaning it after getting it muddy? I’m always a bit hesitant since I don’t want to damage the material, but your experience makes me think it can handle
What's more, it's on sale for a limited time only, emphasizing the urgency to act now!
Only thing that makes me pause, ChaiPages, is all this urgency—sometimes these "limited-time" deals pop up pretty often. Still, at that price, tossing an extra in the trunk isn’t gonna hurt!