I purchased this for climbing and mountaineering and used it about three times. While attached to my backpack, the side of the helmet scraped against a rock, resulting in a noticeable scratch on the right side. Also, the storage bag has overall aging stains. I washed it, but they didn't come out. Although the helmet has scratches, I haven't used it much, so the rest of it is in good condition. Recommended for those who go climbing, stream trekking, or mountaineering! The adjuster is on the back, so it's adjustable. -------------------------------------------------- * The size is shown in the last photo. Color: BL (Blue)