| NATIONAL PARKS QUICKLINKS |
Backpacker Magazine – March 2008
Prevent Blisters
5 field-tested techniques for eliminating the three causes of blisters: heat, moisture, and friction
1 Grease up Reduce friction by applying antiperspirant, antifungal powder, or a skin lubricant such as Sportslick, BodyGlide, or Hydropel before your hike. Reapply every few hours on the trail.
2 Ventilate Wear the most breathable footwear appropriate for the conditions.
3 Keep them dry If your feet perspire heavily, remove your boots and socks during rest breaks (even short ones) so they can air out.
4 Rotate socks Change socks at lunch–or whenever they get soaked–and dry sweaty ones with body heat (in your jacket or pocket) or by hanging them from your pack as you hike.
5 Act early As soon as you feel a hot spot developing, wrap or cover it with duct tape or moleskin (use tincture of benzoin with the latter to improve stickiness).

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READERS COMMENTS
Putting plastic bags on your feet is probably the dumbest idea. One, your feet cannot breath. Two, that would cause a lot of moisture build up. Three, that will result in trench foot and blisters.
Although putting plastic bags over your feet prevent moisture from getting into your socks it does not let sweat escape from them. Thus, your feet still get wet from your own moisture generation.
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