Easy to attach: These replacement laces are designed for Salomon Quicklace systems, making them simple to install and adjust. Thread the tip through the locking mechanism and pull tight for a secure fit. Durable quality: Made from a blend of spandex and high-quality ABS plastic, these shoelaces are built to withstand running, hiking, and other outdoor activities. This combination ensures long-lasting performance and resistance to wear. Secure and comfortable fit: The Quicklace system provides a precise fit, allowing you to adjust lace tension for optimal comfort and support. The laces remain securely fastened during activity. Specifications: Sizes: S length: 120 cm, M length: 140 cm Material: Spandex + ABS Package includes: 2 pairs of shoelaces