All Balega product is designed encompassing the latest knit constructions for optimum performance. Each and every single pair of Balega socks are hand inspected and are given an individual examiner number which can be traced back to the specific individual. Also, every pair of Balega's socks are washed before shipping and all the toeseams and linked by hand for ultimate comfort and performance. Drynamix Moisture Manager: Balega's Drynamix air conditioning fabric system allows free movement of airflow ensuring cool and dry feet with a unique rapid moisture evaporation system.