#283808 - 02/20/17 05:45 AM
Core temp, cold extremities, sweating
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Journeyman
Registered: 02/11/05
Posts: 82
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My friend is an avid mountain biker, year-round. We were talking about dressing for the cold, and he told me that his hands and feet get freezing cold in the winter, despite wearing quality hand and footwear.
I suggested that his core temperature was too low, and if he kept his head and torso warmer, his extremities would warm up. He disagreed, saying that while biking his core temperature is so warm that he sweats profusely while his extremities freeze. Apparently the guys he bikes with seem to all have the same issue.
I guess I assumed that if you're sweating, that means your core temperature is warm. Maybe too warm.
He says he tends to dress pretty light, and seems to understand layers, etc.
I don't usually do anything as strenuous as he does, but I tend to stay warm outside. If I start to sweat, I remove a layer or ventilate, but my hands and feet tend to still stay warm.
What suggestions do you all have?
Thanks,
David
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#283810 - 02/20/17 08:39 AM
Re: Core temp, cold extremities, sweating
[Re: bigmbogo]
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Pooh-Bah
Registered: 04/08/02
Posts: 1821
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Have the same issue on the bike or just running. Head and body sweating like crazy, but hands are cold. Wearing better gloves works for me...
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#283817 - 02/20/17 02:01 PM
Re: Core temp, cold extremities, sweating
[Re: bigmbogo]
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Member
Registered: 05/29/12
Posts: 164
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I've had the same problem biking in the winter as well. I could easily keep my core warm with light layers, a windproof jacket and the heat generated in my torso and quads by moderately strenuous pedaling. I believe the answer for cold hands is windchill and hand position. My winter bicycling specific gloves had a patch on the thumb to wipe off glasses. The wind would blow right through that patch and freeze my thumbs first to the point of pain. Since my hands were stuck in basically one position holding onto the handlebars, (that allowed quick access to the gears and brakes), there was not much I could do. I tried other gloves I owned but they were worse with the wind. A quick look at windchill numbers helps show the temperature difference: http://www.nws.noaa.gov/om/cold/wind_chill.shtmlFor my feet, I found the problem was more that my clipless pedals conducted heat away from my feet. My soles would feel it first at the connection point between shoe and pedal. I could not fit too thick a sock inside my bicycling shoes. For what to do to keep warm? I would say trying out different gloves and using toe warmers can help. If your friend can find gloves with liners, (that still allow access to the controls), he can slip toe warmers between the layers. Two things I never tried were over booties and changing out the insoles.
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#283818 - 02/20/17 02:04 PM
Re: Core temp, cold extremities, sweating
[Re: Herman30]
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Geezer in Chief
Geezer
Registered: 08/26/06
Posts: 7705
Loc: southern Cal
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I have commuted by bike in fairly cool conditions, and it helps to start out slightly on the cool side, gaining comfort as you exercise. I found that insulating my head, usually a balaclava beneath my helmet, kept everything nice and comfy. Windproof is critical.
_________________________
Geezer in Chief
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#283821 - 02/20/17 03:17 PM
Re: Core temp, cold extremities, sweating
[Re: chaosmagnet]
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Geezer
Registered: 06/02/06
Posts: 5357
Loc: SOCAL
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I've only ever used fingerless gloves for bicycling and they would be useless in cold weather. But my bike doesn't like snow/slush/rain or even cold weather for that matter. It complains vociferously when its chain and sprockets get gunked up. Sounds like wind-chill to me with gloves that are good for bike handling but not so much for cold weather at bicycling speeds.
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#283824 - 02/20/17 03:44 PM
Re: Core temp, cold extremities, sweating
[Re: bigmbogo]
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Veteran
Registered: 08/16/02
Posts: 1204
Loc: Germany
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I ride an enduro motorcycle that has shields for the hands. That feels much more comfy than riding bikes without those shields (+1 on the windchill Ration sweat. Proper garment for the upper body and isolating forearms and legs may also help. If you are in a mode to disipate the heat, there may not be enough to heat your hands and feet. I must admit though that cold hands or feet a rarely a problem for me.
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If it isnīt broken, it doesnīt have enough features yet.
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