Easy to attach: These replacement laces are designed for the Salomon Quicklace system, making them extremely easy to install and adjust. Simply thread the tip through the locking mechanism and pull to tighten for a secure and comfortable fit. Durable quality: The shoelaces are made from a blend of spandex and high-quality ABS plastic, built to withstand the demands of running, hiking, and other outdoor activities. This material combination ensures long-lasting performance and resistance to wear and tear. Secure and comfortable fit: The Quicklace system provides a precise and secure fit, allowing you to fine-tune the tension of your shoelaces for optimal comfort and support. The laces stay firmly in place without coming loose, even during intense activity. Specifications: Sizes: S length: 120 cm, M length: 140 cm. Material: Spandex + ABS. Package includes: 2 pairs of shoelaces.