Ultimate Performance Reflective Elastic Laces. Colour: Yellow. Made of incredibly tough elastic bungee cord, these laces come with a spring-loaded quick-release lock which offers a secure and comfortable fit for your feet. They are compatible with all styles of shoes, trainers, or casual lace-ups. The easy fitting and high visibility reflective fleck makes these an ideal choice for any outdoor activities, including running. Approximately 118cm long and can be cut to size if required. Available in eleven colours.