Trekking Crampons I used these once in the snowy mountains, but there are no noticeable stains. [Product Information] These are stable 6-point snow spikes. They are a compact model that attaches to your boots with tape. They are small and easy to carry. Includes a stuff sack. Set of one pair (left and right). [Suitable Uses] Light mountain climbing in snowy mountains and walking on snowfields in summer mountains Specifications [Material] (Main body) S55C carbon steel [Plate thickness 2mm] [Weight] 490g [540g] (pair) *The numbers in brackets [ ] include the total weight including the stuff sack. [Color] Orange (OG) [Size] Free size (Compatible shoe sizes: 21.5-30.0cm) *Depending on the shape of the shoe, it may not be possible to attach them even within the compatible size range. [Storage size] 11 x 18 x 4cm Thank you for viewing.