Regatta Ladies Blister Protection II Socks Black/Ash/Niagra Blue. Perfect for if you are constantly active, the Regatta Ladies Blister Protection II Socks are ideal for making sure you can go the distance! Featuring 2 layers of fabric, the Blister Protection Socks are designed so that the outer layer grips the shoe lining whilst the inner layer moves with the foot to help reduce friction. With antibacterial treatment and an added instep ventilation to encourage airflow around the foot, the Blister Protection Socks ensures your feet stay fresh and comfortable all day long. The Blister Protection Socks are complete with ribbed cuffs for extra support, underfoot cushioning to absorb impact, anti-creasing system at the instep, a ribbed arch support and a flat toe seam for extra comfort.