I went to a snowy region for a New Year's trip, but I didn't end up using this. I'm selling it because I have no opportunity to use it in my daily life. - ICE-SPIKE, compatible down to -40°C, easy to attach, and provides excellent anti-slip effect. - Size: M (22-25cm) - Features: Anti-slip spikes - Cold resistance: Compatible down to -40°C - How to use: Easy to attach - Product name: ICE-SPIKE Thank you for looking.