すけすけ

na-adjective

see-through; sheer; transparent

Describes clothing, fabric, or materials that are thin enough to see through. Often used in casual conversation.

• このブラウス、すけすけだから下したにキャミソールを着きたほうがいいよ。

  This blouse is see-through, so you'd better wear a camisole underneath.

• すけすけのカーテンだと外そとから丸まる見みえだよ。

  With sheer curtains, you can be seen clearly from outside.