They have double layer wind-resistant shell and binding, feature 100% Polyester Thermolite for great insulation and they are adjustable in case you have a huge noggin.
它有双层防风罩和固定绑带，100%保暖涤纶，绝对保温！ 并且头大的话，耳罩可以调整。
This moisture will build up inside the shell and make the down damp, killing its insulation power.
这水分将建立内壳和作出的向下潮湿，造成其绝缘的权力。
On the other hand, in order to meet the security needs of operation, the insulation must be closed shell, which will lead to difficulty in cooling coil.
另一方面，为了满足操作的安全需要，必须采用封闭的绝缘外壳，而这将导致线圈散热困难。
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