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Tethrd Predator CFX

A bag of water isn't ur foot obviously hehe...no warm blood flowing or maybe a little sweat to help chill ur bones.. If it was me doing that test I'd use the real thing and take the temp readings off your actual foot
Yeah that'd be just as interesting! I was more thinking of a way to judge which platform had "sucked" a measurable amount of heat out of a substance through the rubber insulated boot!
 
Aluminum is a heat sucker for sure...I use it as chill blocks at work. U clamp on thick pieces of aluminum along the weld path and the chill block "sucks" heat away helping control warping......but I think the sole of ur shoe isn't allowing any heart transfer. I could be wrong and my opinion can easily change with a simple test.... But in the end I don't really care either way.... It don't get real cold here and I don't buy tethrd ...
 
I don't buy into the warmer feet thing either... Shouldn't be hard to test...2 meat thermometer inside a shoe against the skin. Stand on 1 material with 1 foot and the other material on the other foot and see the temp difference
Easy to test. Go outside when it is 10 degrees below zero. Sit or stand on a metal plate/platform/stand for awhile. Put a piece of carpet under your feet/butt see if there is a difference. Experiential learning. I can only explain it to you…. I can’t understand it for you.
 
It is called conduction. And yes, it is real.

View attachment 95970
View attachment 95971
You can’t conduct cold. You can conduct heat. And rubber soles do neither. And your charts prove nothing about cold feet from a metal platform.
If we’re just gunna share screenshots Willy Nilly:
2E69352D-C0B9-409A-991E-D2C7B79148F4.jpegBut full disclosure I’m not a scientist. I just know Google Fu.
 
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You can’t conduct cold. You can conduct heat. And rubber soles do neither. And your charts prove nothing about cold feet from a metal platform.
If we’re just gunna share screenshots Willy Nilly:
View attachment 95973But full disclosure I’m not a scientist. I just know Google Fu.
Oh boy, where to begin. I guess I’ll just end. This is basic heat transfer and thermodynamics. Rubber boots are a material between a heat source (your body) and something at a lower temperature, the environment around you. Like metal, they have their own thermal conductivity. This is the ability of a material to conduct heat from one side to another. I didn’t say anything about conducting cold, so I have no idea where that came from. And I didn’t put up any charts, those were pictures to illustrate the different methods of heat transfer, both of which included someone sitting, showing the heat loss due to conduction. I’m out.
 
First I want to remind you all that tethrd sucks and you're being used as their guinea pigs with products rushed to market.

Second, this whole conduction argument is a bit flawed, and silly. One of the biggest variables for conduction is surface area, so since platforms are essentially a grate system, the majority of the sole is exposed to air, which is more convection or radiation. Is there a slight difference between the conduction of a carbon composite and aluminum? Yes, but is the difference large enough to make a difference in a saddle platform through a rubber soled boot? Unlikely. (The argument about sticks feeling warmer has more merit, because in that situation it's bare skin contact with the material, but I digress...). Just get some wool insoles and stand on whatever platform you want.

IMHO, this convection argument is a distraction to justify a product that's not delivering on its stated intent (lower weight). So buy them if you want, I'm sure tethrd will have no problem taking your money, I just hope they don't break and hurt ya. Fool me once...

To sum up-tethrd sucks. But not in the sucks heat out of your feet more or less way, in the takes your money and puts out inferior products that break too often way.

But by all means, do you, just don't act like it's the lightest platform... Or that it's going to make a bit of difference on your foot temps. Like I've said before, I hope you dont get hurt if/when they break.
 
Oh boy, where to begin. I guess I’ll just end. This is basic heat transfer and thermodynamics. Rubber boots are a material between a heat source (your body) and something at a lower temperature, the environment around you. Like metal, they have their own thermal conductivity. This is the ability of a material to conduct heat from one side to another. I didn’t say anything about conducting cold, so I have no idea where that came from. And I didn’t put up any charts, those were pictures to illustrate the different methods of heat transfer, both of which included someone sitting, showing the heat loss due to conduction. I’m out.
Ernie? Greg?
That you?


Rubber is an insulator. It takes less than a black belt in Google fu to find that information out. And here’s the definition of a chart, which your diagrams, or “pictures”, fit:

9B1AE83A-CB6A-47FB-B90C-8F08D32147E7.jpeg
And as for the thermal conductivity of rubber:
https://www.electronics-cooling.com/2001/11/the-thermal-conductivity-of-rubbers-elastomers/amp/
What does basic thermodynamics tell you about those numbers?


Oh wait. You’re done. Later bud.
 
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But an insulator just means it conducts less. Air is a great insulator, and exposure to air is exactly what makes our gear cold. Aluminum is a very good heat conductor, and boot soles are high density for wear abrasion and they conduct heat pretty well too. The design of platforms makes them efficient heat sinks.

But for me, into the mid 20s my feet are fine no matter what I’m standing on as long as I’ve got a toe warmer in there. And in the teens and below I don’t like to climb trees because they’re usually icy and I don’t like handling rope with gloves on.

This past Saturday I hunted in 15deg temps from the ground, uninsulated boots with two pairs of high loft merino socks. Feet were cold. Worse part was when I wiggled my toes to warm them up I could feel the cold boot through both pairs of socks. I knew the temp was too cold for the boot but I hate wearing my insulated boots because they’re heavy and big and more sticks/leaves get crunched.

Long-winded way of saying the platform does transfer heat(away from hands and boots) but at temps it would bother me personally, I don’t use a platform anyway.
 
Ernie? Greg?
That you?


Rubber is an insulator. It takes less than a black belt in Google fu to find that information out. And here’s the definition of a chart, which your diagrams, or “pictures”, fit:

View attachment 95974
And as for the thermal conductivity of rubber:
https://www.electronics-cooling.com/2001/11/the-thermal-conductivity-of-rubbers-elastomers/amp/
What does basic thermodynamics tell you about those numbers?


Oh wait. You’re done. Later bud.
Don't let this platform distract you from the fact that in 1966, Al Bundy scored four touchdowns in a single game while playing for the Polk High School Panthers in the 1966 city championship game versus Andrew Johnson High School, including the game-winning touchdown in the final seconds against his old nemesis, Bubba "Spare Tire" Dixon.
 
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Don't let this platform distract you from the the fact that in 1966, Al Bundy scored four touchdowns in a single game while playing for the Polk High School Panthers in the 1966 city championship game versus Andrew Johnson High School, including the game-winning touchdown in the final seconds against his old nemesis, "Spare Tire" Dixon.
What’s important is perspective, and remembering these things that really matter.
 
Don't let this platform distract you from the the fact that in 1966, Al Bundy scored four touchdowns in a single game while playing for the Polk High School Panthers in the 1966 city championship game versus Andrew Johnson High School, including the game-winning touchdown in the final seconds against his old nemesis, "Spare Tire" Dixon.
Are you that guy that spams EVERY comments section.....
 
I’ve never tested the cold theory but if guys like John Barklow are saying it, I’d have to believe there’s some truth behind it.
 
I have noticed some boots are better than other with the cold transfer. When it's cool, the top of my toes are cold. When it's cold on stand the bottom of my feet are cold. Moving them off the metal reduces the cold coming from the bottom is my personal experience. No scientific data to back it up. Other than personal experience.
But like others have said, when it starts getting that cold out that I notice. Climbing up and down becomes a little harder and more dangerous. So the few hunts I do in super cold are usually on the ground.
 
Speaking of cold feet - When I get into my Predator XL, I take off my boots - hang them, and then put on my arctic shield "slippaz"


I added a wool insole, and with a nice pair of wool socks and a hand warmer near my toes, I can sit all day in the cold with these on and never have my feet gotten cold.

(Granted - I do keep my CORE warm which in return helps keep everything else warm).
 
I have hunted and fished in cold temps all my life. Sometimes down to 20 below zero. I can tell you there is definitely a difference between what you are standing on in those type of temps but I can also tell you that it is not a huge difference but there is a difference. For instance, I like to stand on shore when I am ice fishing rather than on the ice. My feet stay warmer on land. Is it a huge difference? No. Is it a noticeable difference? Yes, but barely. As far as these different platforms go, I don't think it is a valid selling point or advantage.
 
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