The winter weather of Feb 2018 brought relatively little snow and
several unseasonably warm days, which tends to contribute to a bit
of cabin fever and the urge to get outdoors.
The local
barefoot hiking group
tends to mostly shut down over winter, although there had been a
short-notice pop-up run to the Blue Hills that exactly two of us hardcore
types went on [and had some fun snowfooting around on the ski-slope near
the end, garnering many incredulous stares].
In general, though, I wasn't likely to find a lot of activity in that
group until things warmed up a bit.
I can and do get out to the woods on my own well enough, but sometimes going with a group is more fun. Meetup shows quite a few hike groups, some of them quite localized, and I noticed one that concentrates on the Middlesex Fells. Practically in my backyard! And when I happened to view the details, they had a group event scheduled for the very next morning. Just the event title described exactly what they were going to do, with the start time. On something of a whim, I decided to go see if I could just find them and randomly jump in on it. I almost didn't bother, because the night had been about 24F and it was still fairly cold, but was heading to the mid or high thirties that day with brilliant sunshine to warm the ground. So I figured it would be borderline, aka a nice barefootin' challenge. Here's the official DCR Fells map. There's an excerpt of it at the end of this page showing my entire GPS route for the day. I arrived at the north parking lot a half-hour early, just so I could take a quick warmup loop to get my core going and my feet thermally equalized, and then hook back toward Bear Hill and see if I could find the group. My first half-mile or so was quite chilly, as I expected, but by the time I circled around to the tower, the warm glow of increased circulation was just reaching my toes and I was already good to go a lot farther. |
But the bootless concept was clearly novel to most of the people there,
although one or two had maybe vaguely heard of the "barefoot hiking
movement".
Some were barely able to conceal their astonishment that I was out
in these kinds of temperatures, especially after a cold night.
And I knew exactly what I was dealing with underfoot, too, having brought
along an infrared thermometer I could sample the ground with.
In the shady spots it was still only high-twenties on the surface, with
most of the mud from previous days now frozen solid and locking in an
entertaining variety of deep impressions -- hiking-shoe treads, dog
pawprints, mountain bike tire tracks, and everything else that had gone
through when it had been warmer.
Lots of interesting textures to explore, in fact, although now it was
all cold and thus maybe a little harder to feel every detail of.
The group set off down the Bear Hill fire-road at a fairly brisk pace, which suited me just fine as I usually try to blitz my own woodland outings anyway. Some of them probably thought I'd fall way behind as we got into the rough gravel stretches, but no, that wasn't in the cards today. Kept right up with the pack, with the minor downside was that there was very little opportunity to pause for pictures. |
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The return route took us along the reservoir trail instead, to more or
less make a loop of it.
The
NOT ART guy
has apparently made it this far out of town too.
In conversations with people the Rock Circuit trail was also mentioned, which I and a lot of these folks had been on as well. It's sort of the equivalent of Skyline in the eastern half of the Fells, even marked the same way on the map, and similarly visits all the high rock outcrops over there. Recommended! |
About six inches of snow then magically appeared overnight, and when I
went out in it the next morning it almost felt warm underfoot.
This got me thinking more about how we adapt to temperature conditions and
some of the transient effects I've observed when handling cold weather, as
well as how to deal with some of the typical winter problems.
Some discourse on winter barefooting and foot care I've found that when just starting out on a chilly day, be it for a walk or a bunch of work to do, my soles and toes feel cold for a while and then start warming up nicely about 15 - 20 minutes in. I have to be active and keep my core warm, and after a while the circulation profile changes and send more warmth to the extremities. Some refer to this as CIVD, cold-induced vasodilation, and it's a lovely feeling when it starts kicking in. But a more complex process happens in the feet, as they're still in heat-draining contact with cold surfaces. The fat-pad in the sole serves as insulation as well as cushioning, and the way insulation works is to resist heat flow through a thermal gradient between warm and cold. It takes a while for that gradient to get set up and stabilize, between the interior of the foot and the ground, and while that process is happening we sense the cold more acutely. After a while I can tell that the bottom of my sole *is* cold but not harmfully so, i.e. I can still feel everything, and once it all get equalized then I can pretty much go indefinitely and be quite comfortable. There is a minor numbing effect, perhaps, but not in any dangerous way. The nerves are simply sensing less of a delta right at the surface. As long as the ground isn't much under 32F and fairly dry, the rate of heat loss can easily be tolerated. At that point I tend to not even slide so much on ice, as my feet are less likely to melt a slick film of water on top. Wet contact radically increases heat loss -- especially when in the form of that "road-salt slushie" that can be at single-digits and still liquid! That obviously changes the game completely and puts us well into frostbite-hazard territory over any significant exposure time, at which point we need artificial insulation and waterproofing. On the other side, once I get back into a warm place, those cold parts of the sole *stay* cold for quite a while afterward, so there's clearly a bit of thermal mass in there, too. None of this process has any bad effects; on the contrary, once the body is accustomed to it the transition process gets a lot easier. Unfortunately we don't have the same sort of mechanism in our hands, which would probably be a lot fatter and clumsier if we did. Winter also tends to bring skin dryness and occasional exposure to hydrophilic or downright corrosive chemicals. For those of us who carefully choose to avoid having "the good sense to put on a goddamn pair of shoes", we sometimes have to wrestle with the effects of that -- which of course many people also suffer on their hands and lips in cold weather, too. With stress and movement, cracks can open in the thicker skin around the heel and the main pads, and on hard-working feet they can pull open deep enough to hurt and even bleed. While keeping foot skin generally moisturized can help head that off, sometimes radical intervention is needed. This is where duct tape and krazy-glue come in. Cyanoacrylate is commonly used as a surgical tool, to bond tightly to living flesh and cures almost immediately upon meeting humidity. For foot cracks it doesn't have to be "medical grade"; anything of the right sort from the hardware store will work. A liquid formulation is best, as opposed to a gel, as it allows a thin layer to run down into the bottom of the crack and seal off the raw and sensitive bits. Sometimes just gluing is enough; sometimes the area needs more protection for a while especially if we want to continue being active outdoors. Once cured, a glue layer isn't flexible, and if the skin moving around it is also dry and inflexible the fissure can split right open again. What helps is to tape over the area to protect and stabilize it at the outer edges, with a layer that *isn't* moisture-permeable. I've found that a good brand of duct tape, like Nashua, works really well for this -- avoid the cheap stuff, it falls right off. The only caveat is that it must be applied to a completely *dry* surface to stick well, so do this before any regular moisturization routine. To prepare a duct tape patch, cut off an appropriate size and round off the corners with scissors. Corners of a tape patch are always where it will start peeling up first, so if there aren't any sharp corners it will last longer. Sometimes it helps to first cut back the very top edges of the crack with tiny cuticle-clippers or something and angle them off, for a little less dry skin mass right around the critical area. A thin folded strip of toilet paper or napkin is laid over the crack itself as a non-stick layer, and then the tape patch applied and pressed down nice and tight especially around the edges. After it's secure, normal moisturization can resume. [Or slogging along wet trails..] Because the tape isn't permeable, the skin stays more naturally moist underneath -- the tape almost forms a tiny shoe for that one specific area, creating a little humid "terrarium" underneath to let the skin heal back up. Proof of this is the fact that the skin under the tape becomes pasty and white and smells bad after a day or two -- the only time a barefooter will have any foot odor! Why would anyone want that going on all the time over their entire foot, though, by entombing it in a shoe the entire day?? Yuck. But it's okay for a while, a few days in this curative process, with occasional checks and tape replacement when needed. As the body works on ejecting the foreign object, e.g. the glue layer, new skin grows back in to fill the gap. On this very hike, in fact, I had such a patch in place over a somewhat annoyingly persistent slit in the pad behind the left little toe. Amazingly, it was still mostly in place after I got back to the car -- somewhat shredded from the day's brutal treatment, but the crack area was still fairly protected and nothing had started to pull open. Whew. For some reason, my left foot seemed generally more abused over winter '17-'18 than my right one, and it started around Arisia. Maybe I hit a particularly big patch of corrosive calcium-chloride based ice-melter or the like, with my left foot and not my right? No idea, but it was kind of annoying. But it was also an opportunity to experiment with some different seal-up techniques, leading to the above as a decently-proven solution. Ability to perform this type of care assumes a certain degree of physical flexibility on the part of the individual, and ease of self-repair may depend on where the crack is located. Not everyone is able to easily access all of their own feet, but fixups like these can also be applied by someone else assisting if needed. As always, your mileage, as well as your preferred method for "patching your tires", may vary. |