One side of the brush has rubber bristles

instead of going for those expensive shoe trees

Superfeet’s proprietary carbon fiber & polymer blend

Side uprights are anatomically contoured

stitching and soles from moisture damage

Corresport Sock 30-40 MMHG White Mediun - One Pair (#16747) Red Wing One side of the brushCorresport 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