Unisex, so it can be used by both men and women ('ω')ノ!! The buckle allows for easy size adjustment. It can be adjusted by about 10 cm, allowing a wide range of people, from those with small heads to those with large heads, to wear it. To prevent damage, we will ship it lightly compressed. We will accept returns if you contact us before leaving a review, so please check the product upon arrival and let us know. However, we may refuse returns based on reasons such as a difference in image. Thank you for viewing. No stains, tears, or odors...