Superfeet’s proprietary carbon fiber & polymer blend

we've included an 8oz

acid and salts

instead of going for those expensive shoe trees

Corresport Sock 30-40 MMHG White Mediun - One Pair (#16747) Red Wing Superfeet’s proprietary carbon fiber &Corresport Sock 30 40 MMHG White Mediun One Pair (#16747) Core Spun 30 40mmHg Gradient Compression Socks for men and women look and feel like a soft, comfortable everyday sock with the added benefit of true gradient compression. The ultra stretchy yarns make the socks easier to put on and the added thickness makes the socks more comfortable for all day wear. White colored socks are made from CoolMax while Black colored socks contain XStatic silver