This Yaktrax ICEtrekkers Diamond Grip Traction System provides aggressive traction for all winter walking conditions. The patented Diamond Beads are made from case-hardened steel alloy and strung on steel aircraft cable, making them incredibly durable and resistant to wear and tear. The beads swivel independently, preventing snow and ice from building up and ensuring that you always have a solid grip on the ground. Introducing the YakTrax Diamond Grip Traction Device, a must-have for winter sports enthusiasts. This fitness product is designed to provide superior traction and stability on icy and snowy surfaces, ensuring a safer and more enjoyable winter sports experience. With a sleek black color and compact design, this traction device is easy to carry and use, and its diamond-shaped ridges provide excellent grip and stability. Whether you're skiing, snowboarding, or snowshoeing, the YakTrax Diamond Grip Traction Device is the perfect accessory to keep you safe and comfortable on the slopes. These are size Large. Sizing: For regular boots buy ONE shoe size larger. For insulated boots buy TWO shoe sizes larger.