ReflexWear® tynde ankel (Crew) sock, is made of the patented thread Celliant®, and helps in the following areas: # Regulating the temperature (Cold feet become warmer, while very hot feet become cooler) - # Increases oxygen level and blood circulation in the feet - # Reduces neuropathic pain - # Reduces leg cramps - # Reduces pain from arthritis - # Increases the healing of wounds - # Improves sleep quality - # Improves sporting performance - # No tight and annoying elastics - # Completely flat seams that don't bother you - ReflexWear® is registered as medical equipment according to MDR2017/745