Heard of these thanks to Hand in the Dirt podcast! I bought my gf and myself a pair for walking our doggo at night, showed my Mom, and she was jealous, so I had to buy her a pair and got her the whole color collection to share with her running group. The blues worked great with her biking shoes! And she is gonna buy some for her friend when they go on a crazy ass 250+ bike ride late spring and there is a long ass tunnel, perfect for glow in the dark laces! They do need a double knot but stay tru...