A beautiful blue glow in the dark Extra stretch knee high sock with fire flies dancing into the sky. 

This is a glow in the dark sock which will glow once the threads have been primed in daylight or under a bright light for a period of time.  

Using Sock it to me's Stretch- It technology these socks have unbeatable stay up power and will fit legs up to 53 cm circumference without distorting the graphics. 

SITM threads are certified by OEKO-TEX® Standard 100, which means they leave out harmful chemicals to keep your skin safe and happy.