Whether its afternoon strolls or power walks, this sock will keep you in shape and in comfort. The Thorlos Walking Mini Crew is constructed of midweight padding that protects against shock and impact. Ideal for intense use, the Walking Mini Crew features an instep pad to help protect against lace pressure and add comfort. The Thorlo WMX Mini Crew Walking Sock features a spandex arch that provides extra support and stability. Made in USA.