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