ALBERT KREUZ men&rsquo;s luxury business socks of 98% silk Made in Germany navy 98% silk 2% spandex Dark blue socks for men made of 98% finest mulberry silk  the small part of spandex makes sure the socks stay in place and remain free from creases These ultra light socks help regulate the body temperature and allow the skin to breathe - naturally hypoallergenic, extremely soft and comfortable to wear A must-have for any formal and festive event - fit all business wear or any other kind of elegant, festive pants and dress shoes If shipment is not fulfilled by Amazon: Shipping from Germany takes about 6 business days. You will receive 1 pair of navy blue silk socks by the premium brand ALBERT KREUZ Made in Germany as well as our excellent customer service.