All sizes are japanese size (asian size), so they are small overall. Look at the size chart at the end of the product image to see if it fits your body. 155cm-165cm / 50-55kg m (medium size). 160cm-175cm / 60-65kg l (large) size.
165cm-180cm / 70-75kg xl (xlarge) size. 175cm-185cm / 85-over xxl (xxlarge) size.If you still don't know the size that suits you, ask a question. This item is made of manga and anime.