Schachenmayr’s super chunky Lumio is a similar idea to Rico’s Glow Worm. It has a reflective thread running through the yarn, which is designed to pick up car headlights etc helping you to stand out when it’s gloomy or dark.
One ball will make a great bobble hat and each ball band contains a hat pattern.
Fibre: 93% acrylic/ 7% other fibres
Recommended needle size: 10mm
Machine washable at 30 on a wool programme