- Field Skills
Outdoor enthusiasts have long recognized that multiple layers of clothing keep them warm in winter and from overheating in summer. Adding or removing garments is a practical way to adapt quickly to different activity levels and temperature changes during your time outside.
Many winter campers wear a system of underwear, a midlayer of polyester fleece (pants and top), followed by a windproof, water-resistant outer layer (windpants with full zips down the side for easy on/off and a high-performance wind shell with zippers under the arms for ventilation during active sports).
While cotton was once the mainstay of long underwear
and cold-weather clothing, it is no longer
recommended for strenuous winter activities
because it soaks up moisture. Damp clothes are
heavier and, if next to your skin, can pose
a chilling hazard.
Modern performance underwear, made from polyester
or polypropylene, is most effective in moving
moisture away from your skin and into outer
layers of clothing where it can evaporate.
In addition to traditional shirts and "long
johns," many other garments, including short-sleeve
tops, bras, boxer shorts and briefs, are now
made with polyester fabrics to wick away chilling
perspiration.
If you are performing an active sport such as skiing, or hiking in spring or fall, a polyester fabric, such as fleece, is an ideal second layer over your long underwear. It continues to trap your body warmth while wicking away moisture. Even in warmer seasons, a midlayer is useful to have handy in your pack for those times you begin to chill (particularly during rest stops.)
Depending on weather conditions, you may want to wear wind-resistant, water-resistant pants and an anorak over your other clothes. How many layers you need depends on your level of exertion, personal preference and weather conditions.
Be prepared for severe weather. Carry a waterproof rain jacket and pants with you, even if the forecast is for sunshine.
Up to 80% of your body heat can be lost through
your neck and head. Carry a hat with you for
added warmth or protection from the sun.
For overnight trips, carry a lightweight polypropylene
hat. It stores compactly
in your pack pocket and doubles nicely as a
comfortable sleeping hat in cool weather.
Winter campers often carry a hat system consisting
of a lightweight polypropylene liner and a nylon
shell to adjust to changing winter temperatures.
For maximum comfort and blister prevention, many hikers wear two layers of socks, a thin polyester sock liner with a thicker outer sock. On overnight or extended trips, be sure to carry enough socks to be able to change into a fresh set each day.
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