noun
fit; how something fits
Describes the feeling or sensation of how well something (clothing, shoes, equipment, etc.) conforms to the body or a space. Often used in product reviews and everyday conversation.
この靴はフィット感が良くて、長時間歩いても疲れにくい。
These shoes have a good fit, so my feet don't get tired even after walking for a long time.
新しいマスクはフィット感が悪くて、すぐにずれてしまう。
The new mask doesn't fit well and keeps slipping off.