Mammut Helmet Holder Pro Retail Price: ¥7,150 Color: Black Weight: 136g This helmet holder can store helmets of various sizes. It closes completely, so you don't have to worry about it falling out. With four hooks and an elastic, adjustable cord, it can be attached to various backpacks. It also has a daisy chain on the bottom. Purchased in 2024 Used once on a mountain trip Has a stain of about 1 cm (please check the photos) I cut off the product tag because it was in the way of storage. There were no other problems with its use. We are looking forward to your purchase if you understand the above.