Sacks Bags
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Nike Drawstring Gym Backpack Sack Bag NWT Baby Blue FREE SHIPPING ! $17.99 |
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Washington Redskins Back Pack/Sack Drawstring Bag/Tote $10.99 |
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Western Theme Cowboy Party Loot Treat Sack Favor Bags 8ct Party Supplies $5.39 |
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Holiday Holly Season Cello Cup Cake, Loot Treat Sack Favor Bags 20ct $6.29 |
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Happy Birthday Party Loot Treat Sack Favor Bags 8ct Party Supplies $5.39 |
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Football Party Loot Treat Sack Favor Bags Party Supplies 8ct $5.39 |
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Baseball Sports Party TLoot Treat Sack Favor Bags 8ct Party Supplys $5.39 |
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All Occasion Basketball Sports Party Loot Treat Sack Favor Bags 8ct Party Supply $5.39 |
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Happy Birthday Party Loot Treat Sack Favor Bags 8ct Assorted Party Supplies $5.39 |
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Gingerbread Holiday Cello Cup Cake, Party Loot Treat Sack Favor Bags 20ct $6.29 |
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Large Halloween Party Cello Loot Treat Sack Favor Bags 20ct Party Supplies $6.29 |
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All Occasion Gift Cello Party Loot Treat Sack Favor Bags 20ct Party Supplies $6.29 |
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All Occasion Sports, Party Loot Treat Sack Favor Bags 8ct Party Supplies $5.39 |
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Large Halloween Party Cello Loot Treat Sack Favor Bags 20ct Party Supplies $6.29 |
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Farm Barnyard Animals Party Loot Treat Sack Favor Bags 8ct Party Supplies $5.39 |
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LARGE VALENTINE HAPPY BIRTHDAY WRAP WRAPPING SACK GIANT GIFT BAG PLASTIC 36X44 $5.80 |
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Bean Pea Pod BABY SACK SLEEPING BAG COSTUME Brand new $18.88 |
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STAY DRY – Emergency Survival Bivy Sack_Safety Bag_Gear $59.40 |
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Guitar Bag Carrying Case Carrier Sack Black Holder $13.28 |
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Multifunction Baby Swaddle Blanket Sleeping Bag Wrap Sleep Sack Easy Wrapping $7.99 |
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* WOODY * TOY STORY 25 PARTY loot bags treat sacks $8.99 |
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NEW 25 ALICE IN WONDERLAND LOOT BAGS TREAT SACKS PARTY SUPPLIES $11.99 |
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VERY LARGE BURLAP SACK LAY’S POTATO CHIPS GUNNY SAK (BAG) $8.99 |
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Rough-and-road Motorcycle Gears RR-9904 Shoulder bag Rider sack Carrying case $181.74 |
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AMAZING & RARE PURSE SHOULDER BAG BELTED ~ JOHNNY FARAH LEATHER LRG SACK TOTE $300.00 |
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LiPo Safe Guard bag Battery Charging Sack (300 x 230mm) RC13 $9.09 |
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ARIEL THE LITTLE MERMAID LUNCH BAG CASE TOTE SACK DISNEY STORE INSULATED USED $9.99 |
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LiPo Safe Guard bag Battery Charging Sack (300 x 230mm) RC13 $9.09 |
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Rough-and-road Motorcycle Gears RR-9904 Shoulder bag Rider sack Carrying case $181.74 |
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WALT DISNEY WORLD 2011 WAIST FANNY PACK BAG SACK NWT $30.26 |
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Inflatable Rubber Latex Sleep Sack Sleeping Bag $284.36 |
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MIMCO CORAL LEATHER COCOON HIP BAG DESIGNER HANDBAG SACK RRP RRP$349 $98.98 |
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Lilly PULITZER reusable SNACK SACK sandwch bag DOCKSIDE $12.99 |
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NWT AUTHENTIC GUESS BY MARCIANO BLACK CROCO SHOULDER PURSE TOTE BAG SACK NWT $46.00 |
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Single Silk Liner Bag Sleeping Sack Sheet 20 colors $6.62 |
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Lilly PULITZER reusable SNACK SACK sandwich bag PATCH $12.99 |
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New Baby Kids Merino Sleeping Bag Cot Sack Stand Pink $117.79 |
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Military Sleeping Bag Compression Stuff Sack – Black – 6 Strap $7.00 |
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USMC MACS SACK 9 LITER DRY BAG SEAL LINE MAC WATERPROOF CANOEING UNISSUED NEW $17.99 |
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N.T. Swezey’s Son & Co. Flour, Minneapolis, Minn, Novely Cloth Flour Sack Bag $11.00 |
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INDIAN RIVER FRUIT ADVERTISING BAG SACK $3.99 |
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Cowboy Hard Spring Wheat Flour, Golden Valley, Minn, Novelty Flour Sack Bag $11.00 |
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Baby Cakes Pancake Mix,Quaker Flour Mills, Sugar Hill,GA, Novelty Flour Sack Bag $11.00 |
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McCalls 6574 NEW UNCUT sew pattern Animal APPLIQUE SACK BAG Frog Dog Cow Bee Cat $4.35 |
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100% Latex Rubber Gummi Sleep Sack Bodybag Sleeping Bag 0.8mm Catsuit Zentai Hot $199.00 |
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100% Latex Rubber Gummi Sleep Sack Bodybag Sleeping Bag 0.8mm Catsuit Zentai Hot $199.00 |
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VINTAGE SEED BAG / SACKS CERTIFIED RANGER ALFALFA S – 1935 $5.95 |
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VINTAGE SEED BAG / SACKS A T CAYUGA ALFALFA SEED PIONEER SEED CORN 60 LB. $6.50 |
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VINTAGE SEED BAG / SACKS PARK POLLARD FEEDS LAYING PELLETS BOSTON BUFFALO $8.01 |
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VINTAGE PAPER FLOUR SACK BAG ADVERTIZING UNUSED MARTHA WHITE $1.99 |
How to Choose a Bivouac Sack?
Solo shelter systems like the bivvy has evolved considerably with the growing sophistication of ultralight camping. There are a variety of choices and designs available to anyone determined to keep their loads as light as possible.
The main function of a bivvy is to keep the user’s sleeping bag dry and to increase the warming capacity by at least 10 degrees. Bivvies are for people who travel solo in the backcountry, are on hiking trips that take longer than a day to complete, camp during long-distance biking trips, want to shed as much weight as possible and don’t mind sleeping in limited spaces. They’re perfect for summer ultralight backpacking.
Bivvy Sack
The bivvy sack was originally made for climbers who wanted an emergency shelter to protect themselves from the weather on multiple-day climbs on big walls. Bivvy is short for bivouac sack and sometimes “bivvy” is spelled with only one “v” i.e. “bivy”. They look like a sleeping bag modified as a shelter.
In fact, early bivvies were only a single layer of waterproof fabric designed as a slipcover for sleeping bags to keep them protected from the rain. The biggest problem with bivvies in the old days was condensation due to poor ventilation of body heat.
The modern bivvy normally involves Gore-Tex or other breatheable material as the inner shell and commonly a durable nylon coated with urethane for waterproofing for the outer layer.
However, the bivvy is still in need of a opening for breathing but when the rain falls some water can potential leak into the sack through the unprotected opening. You can minimize this risk by pulling the headhole’s drawstring snugly.
Some things you might want to consider when choosing bivvy sacks:
- Armholes on the side that allow for cooking while staying warm and protected inside the bivvy
- Full length zippers for easy ventilation
- Factory sealed seams
- Included stuff sack
- Straps for securing sleeping bag in place
- Integrated camping sleeping pads
Bivvy Tent
There’s also something called the bivvy tent or bivvy shelter which is a modification of the original bivvy sack to have tentlike characteristics for an extra pound or so. This adds two features not available with tradional bivvies – a full enclosure to block out bad weather and insects and an expanded area of shielded headspace.
Bivvy tents are very popular with ultralight backpackers. They usually have mesh panels and some poles that lift the fabric off the face and body. You can get yourself fully enclosed and shut out bugs and rain with this type of bivvy.
Bivvy Inspired One-man Tent
Then there’s the bivvy-inspired one man tent like Kelty Clark Tent, NEMO Gogo and The North Face Solo 12 Tent. This type of tent can weigh as little as 2 pounds 8 ounces. Standard bivvies weigh about 2 pound or less but the bivvy inspired tent has more room for sitting and general comfort. This type of one-tent is the main choice for recreational explorers.
The bivvy is unfortunately for for everyone. Although it is a good option for ultralight backpacking, not everyone is comfortable with the limited space. If space is an issue for you and you don’t mind the joys of sharing then go for a dome tent. It’s a lot heavier but you can share it between few people. Other members of the groups would have to carry some of the gear of the guy who’s carrying the tent.
About the Author
The ultralight bivvy does not have as much space as dome tents.
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Merino Kids Toddler Sleep Sack (Go Go Bag)