• silicone, metal
• Made in the USA or Imported
• Shoe chains:hard anti-slip spikes installed under a flexible band, it will make your walking and climbing more flexible,mountaineering shoe spikes
• Spikes for boots:great for winter outdoor enthusiast sportsmen, workers, hiker, ice fisherman or those shoveling ,spikes for men hiking
• Hiking accessories:these crampons for hiking boots are for sloping road, icy roads, icy driveways, muddy and , dangerous road sections, etc,boot chains
• Ice crampons for shoes and boots:suitable for men and women of any age, including teenagers, adults when ice fishing, jogging, hiking, mountaineering, etc,spikes for women hiking
• Spikes for snow and ice hiking boot:made from sturdy material, light weight, these boot chains are comfortable to wear and easy to carry,shoe grippers