The Apolla Infinite Shock is a mid-calf compression dance sock with 20-30mmHg graduated compression, the APMA Seal of Acceptance, and patented arch support. Unlike crew-length dance socks, Apolla compression socks extend to the shin for splint prevention and full calf recovery between classes and conventions. Apolla dance socks with refreshable traction and wide sizing. HSA/FSA eligible. Made in USA. $41. Your new favorite running or recovery compression sock will make your feet feel like they are on clouds! The Infinite hits mid-calf has graduated compression up the calf giving the calves a snug hug. If you suffer from shin splints or calf aches you will fall in love! They stay up and you will love how long the high-quality compression lasts. They of course have the same effective arch and ankle support that all our socks provide. Our toe box is seamless and provides plenty of room for wide feet. Additionally, our knit-in energy absorption padding is in the heel AND the ball of the foot. Wear for exercise, recovery, travel, and say good-bye to swollen feet and ankles! All of Apolla Shocks have the American Podiatric Medical Association Seal of Acceptance, are made of REPREVE® certified sustainable yarns right here in the USA, are moisture-wicking, and antimicrobial. To learn more about our eco-friendly, patented, targeted compression, CLICK HERE. We recommend you have a pair for workout and a pair for recovery...but you will probably want a pair for every day of the week! More questions? Check our FAQs Shipping Policy | Return Policy