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