GORE-TEX Crusher Hat Size M: 56-58cm This waterproof hat uses GORE-TEX, a waterproof and breathable material, and features seam sealing on the seams. The front brim is short, and the back brim is slightly longer, protecting the neck from rain and sun. Back brim: Approximately 8cm There are no noticeable scratches or stains, but please understand that this is a used item before purchasing.