It heats the air near the top of the tent, creating a convective current that will help pull the moisture in the air out of the vents. To minimize condensation build up in the inner tent, the use of a candle lantern suspended from the ceiling can do wonders. A few tents come with them, but mostly, you have to buy them separately. No matter which route you choose, you’ll be traveling incredibly light without foregoing the safety of shelter.Think of it as a mesh hammock that will hold things like your headlamp, phone and any other small items. If you’re looking for the most packable, minimalist shelter for a fast-and-light objective, the light (22-ounce) Aurora Bivy™ offers GORE-TEX® Respiration Positive™ fabric, but it has no poles at all, and is thus essentially a waterproof cover for your sleeping bag.įor warm climes, where you simply want to keep the insects at bay, the Bug Bivy™ provides a waterproof nylon floor and mesh, no-see-um netting overhead.Īgain, the key to buying a bivy is deciding what balance you want to strike between comfort, protection and weight.
The Highland Bivy™ weighs in at 24 ounces. But, with the added weight savings thanks the fabric, you shed another six ounces. But you lose some features when you trade off for the lighter weight and more packable design, since it comes with a single pole and does not have a foot vent.īuilt with super-light waterproof/breathable Pertex® Shield fabric, the Highland Bivy™ is very similar to the Alpine Bivy in that it also features a single pole. It’s more than a dry bag for your sleeping bag, it’s an actual mini tent, complete with two poles and a foot vent.Īlso built with GORE-TEX® Respiration Positive™ fabric, the Alpine Bivy™ weighs 30 ounces (seven ounces less than the Advanced Bivy™).
But since you are so close to the ceiling of your bivy, the dome is built with three-layer GORE-TEX® Respiration Positive™ fabric, which breathes even better than Gore’s jacket fabrics and helps conduct condensation from your breath away from your face when you are fully zipped in.
Like an expedition tent, it’s fully seam-sealed and the floor is coated with thick, waterproof nylon. The top of the heap, the 37-ounce Advanced Bivy™ can survive the onslaught of a big-mountain storm. To that end, each one of our bivys offers a range of technical features that correspond to its weight and intended use.
#ALPINE DESIGN TENT REPLACEMENT PARTS FULL#
So when you are in the market for a bivy, first decide whether you need a full shelter or simply a rain fly for your sleeping bag. A light bivy sack will stuff into a small package, but it won’t be as comfortable or protect you as well as a somewhat heavier, bulky model if you get caught in a severe storm. Just remember that when you shop for one, there will always be a trade-off between features and weight. Outdoor Research offers a full range of bivys for varied adventures. It’s the shelter of choice on alpine climbs, big-wall expeditions, solo through-hikes and other adventures where it just doesn’t make sense to haul a full tent. It’s a bare-bones, protected place to sleep.A bivy is just larger than a sleeping bag, about the same size and uses tent poles to create a minimalist shelter-in essence, it’s an outer shell for your bag that’s built (usually) with waterproof-breathable fabrics that repel nasty weather. At its most basic, a bivy is a personal shelter for backcountry hikers, climber or skiers who are more concerned with their objective than they are with spending relaxed time in a tent. A bivy sack or bivy shelter is a bit of a riddle-both sleeping bag and tent, and at the same time not truly either of those things.
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