How to Use: When you start your climb or trek, first adjust the lacing according to your activity. For walking, use the lacing setting that gives you a looser fit for more comfort. When it's time to climb, switch to the tighter lacing mode for better support. You can attach traditional or semi - automatic crampons to the Vibram Croda Litebase sole when you're on icy or slippery surfaces. Note: Make sure to check the laces regularly to ensure they're tight enough and in good condition. Don't use the boots in extremely harsh conditions beyond their design limits. Maintenance: After each use, clean the boots with a soft brush to remove dirt and debris. Let them dry naturally in a well - ventilated area, away from direct heat sources. Every few months, treat the upper with a suitable waterproofing product to keep the GORE - TEX lining effective.