These men\'s no4 pure silk knee high socks have been made from 92% silk and 8% polyamide, featured in a black colour and are from the brand Falke. Also the black socks are designed in a plain pattern, It is recommended to wash at 30 degrees and do not tumble dry to keep these socks in good condition. All the socks come complete with falke tags. The Falke No4 Pure Silk Knee High Socks - Black must be the most luxurious pair of socks, with the shimmery fibres of the Chinese mulberry silk are processed into flawless yarns in Switzerland. Giving you ultimate comfort, these will be certain to look stylish with any formal or business attire. Its smooth texture of the fibres has given elegance to items of clothing for hundreds of years. Featuring reinforced stress zones for optimum durability and hand-linked and shaped, these are an absolute must have. KEY FEATURES Array Knee High Smooth Fine 92% Silk and 8% Polyamide wash at 30 degrees and do not tumble dry Complete with Falke tags.