These men\'s trekking 4 maximum socks have been made from 40% acrylic, 33% virgin wool, 20% polypropylene, 6% polyamide and 1% elastane, featured in a navy colour and are from the brand Falke. Also the marine navy socks are designed in a block 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 Trekking 4 Maximum Socks - Marine Navy must be the most ideal pair of socks for extensive mountain tours. Offering maximum protection and amazing thermal insulation, these are perfect for cold weather conditions when out and about. These amazing socks give you perfect temperature and moisture transport due to its triple layered structure. Guaranteed not to disappoint, make these a must have for any keen hiker. KEY FEATURES Anatomical Fit Mid Calf Ribbed Heavy 40% Acrylic, 33% Virgin Wool, 20% Polypropylene, 6% Polyamide and 1% Elastane Wash at 30 degrees and do not tumble dry Complete with Falke tags.