Crampons generally don't mix well with your jacket or, even worse, your ropes when they come into contact in your bag. This protective cover allows you to keep all your gear intact when you get down to serious business after your approach walk. The loop strap on the cover provides multiple attachment points if needed. Features: Durable nylon coated with vinyl, Mesh flap with zipper for easy drying, Weight: 155 g. Black Diamond - Crampon Bag