Okamoto Socks - Socks - Contact Cooling - Cool & Smooth - Platinum Cool - Navy - 26~28cm - 2 Pairs Releases heat for cool and smooth comfort. Uses Hybrid Cool Fiber jointly developed by Asahi Kasei and Okamoto. A cool and comfortable material with excellent moisture release cooling, moisture absorption and quick drying, and moisture absorption/release properties. Approximately 28cm length. Antibacterial and deodorizing treatment, deodorizing effect. Also ideal for business socks.