Though there are some essential things that one should remember while washing the thermals to increase and maintain their life. Mentioned here are few tips which can come handy during your regular thermal washing routine, take a look:-Thermals shouldn't be washed very often thus, the best that one can do to reduce the frequency of washing thermals is to get an extra set of inner thermal wear. This would drastically reduce the washing frequency of it.
-The choice of detergent for washing the thermal can be critical as a harsh detergent can not only damage the insulating fabric but can also shrink the fabric to a certain extent. Hence, always try to opt for a mild detergent while washing all kinds of winter thermal wear.
-Hand wash is best for thermal clothes but in case you want to use machine for washing them, make sure that the machine is set on delicate wash mode for a non-harming gentle wash.
-The water temperature should not be more than 40 degree Celsius, in fact, it is best controlled at around 30 degree Celsius.
-Try and use a neutral detergent which does not contain any soap or detergent washing brighteners. Also remember to use it in moderation as too much of detergent can effect the fabric adversely.
-As a general advice, we would like to point that mens thermal underwear are indeed very comforting and warm in winters but those should not be worn to sleep at all.