YakTrax Chains Traction -The individually TIG welded square links provide an abrupt edge that bites into ice, while the ladder pattern design enhances traction on packed snow. Made of case-hardened steel, the links maintain a low profile making them both comfortable and durable for prolonged use. Ladder pattern design provides traction from heel to toe Square shaped links provide enhanced traction on ice Natural rubber sling remains elastic and secure in sub-zero temperatures Comfortable for prolonged use Easy on / Easy off Style: 0852