The Performance Apolla - Crew SockApolla Performance Wear socks have shock absorption, flexible arch support, and ankle stability. Premium footwear with patented highly engineered knit design made from quality performance yarns for durability. Below the calf, the crew sock is comfy and effective in reducing pain and swelling. The Performance sock creates a beautiful line and has a slim cut toe. All of Apolla socks have the American Podiatric Medical Association Seal of Acceptance, are