Half a croissant, on a plate, with a sign in front of it saying '50c'
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I CAN HAZ CROISSANTZ?

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Full Liquid Jacket

Warm in winter, cool in summer.
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I've seen the success of Camelbak drink packs and a slew of clones. They are a great idea for carrying water but with a few limitations.

The Full Liquid Jacket takes the process further than that. It consists of two layers of fabric; an outer shell of ripstop and an inner shell of synthetic gauze. Between the layers is a grid of food-grade tubing, running around the torso. Zip-on sleeves with plugin valves are an optional extra, increasing capacity, or separating liquid types.

In winter, fill the jacket with hot coffee, or soup, then enjoy the warmth for hours, allowing your body heat to maintain the drink at an enhanced temperature for quite some time. A small heater unit, belt-mounted, can assist to keep the liquid from cooling to the point it induces hypothermia. Gross bulk of clothing is reduced, with an active warming system. Weight is kept down, as a water bottle is unnecesary. I did some quick calculations and I make it 8 to 10 litres of liquid, in a 12.5mm / 1/2in tube, for an entire jacket with sleeves.

In the extreme heat of a tropical or arid area summer, fill it with iced water and keep your cool for hours. Even when it heats up you still have a jacket to protect against low night-time temperature exposure and a supply of water to hand.

UnaBubba, Dec 24 2007

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       A stillsuit without the still!
phoenix, Dec 24 2007
  

       Never thought of that application!   

       There are times I would have liked something like this. I remember hiking up a small mountain in summer. Over 100deg F and I was carrying 25 litres (55lbs) of water in my pack in bottles, for the weaker climbers. Bloody near killed me.
UnaBubba, Dec 24 2007
  

       Posting this shows true mettle.
4whom, Dec 24 2007
  

       Useful for military personnel, as well as hunters, hikers and fishermen.
UnaBubba, Dec 24 2007
  

       Beware the close brush with the cactus. The Michelin Man could satisfy the thirst of a small city for weeks. With sterile straw replacements, he could literally sell sips to dry strangers until his pockets were bulging and his suit was sucked dry. In the meantime, a bun for your thoughts.
Arcana, Dec 24 2007
  

       //an outer shell of thornproof ripstop //   

       Should render cactus... cactus.
UnaBubba, Dec 25 2007
  

       /I remember hiking up a small mountain in summer. Over 100deg F and I was carrying 25 litres (55lbs) of water in my pack in bottles, for the weaker climbers. Bloody near killed me./   

       I remember a similar story from my own annals, except instead of hiking I was more or less lolling in the grass, and instead of 25 litres (55 lbs) in my pack in bottles it was about 0.75 liter in my pants, not in bottles. But instead of bloody near killing me I seem to recall I felt a lot better!
bungston, Dec 26 2007
  

       Did you drink that water, too?
UnaBubba, Dec 26 2007
  

       Yes, initially.
bungston, Dec 26 2007
  

       I once posted an idea just like this, but for a helmet that one could wear to work. Sort of a hardhat style. It had 2 compartments though.   

       The left side's ear spiggott poured soup, the other lemonaide. (I had the cold/hot version that relied on magic to work, of course).
blissmiss, Dec 27 2007
  

       Hot lemonade and cold soup? Eeeewwww.
UnaBubba, Dec 27 2007
  
      
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