In Vent-less there is no vent. Ventless suit can restrict movement like raising your arm or sitting.

无衩口西装就是没有衩口的，它能限制人们的活动，如胳膊的动作和坐时的动作。

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In Vent-less there is no vent. Ventless suit can restrict movement like raising your arm or sitting.

无衩口西装就是没有衩口的，它能限制人们的活动，如胳膊的动作和坐时的动作。

youdao