Bridgedale Men's Merino Wool Performance Liner Boot Socks For outdoor enthusiasts who demand high performance even when they're off the trail, the Everyday Ultra Light Merino Performance Sock is a sock you can wear all day, any day on its own or as a liner with other Bridgedale's Knit with super-fine Merino Wool throughout it offers superb softness next to skin while providing excellent thermal and moisture control properties. This is the ideal choice for not just hikers but for the everyday, giving you comfort all year round. The Flat Toe Seam minimises bulk that could cause irritation and the sock is kept securely in place with an Elasticated Arch and 3D-shaped Y-heel cup. Built on a structure of Lycra and set by the ThermoFit process ensures the sock returns to its original shape and size after every wash. These socks are made from 45% Merino Wool, 45% Endurofil/ Polypropylene, 9% Nylon / Polyamide, 1% LYCRA / Elastane and come in Black/ or /Orange. They come in 3 sizes: Medium (6-8.5 UK), Large (9-11.5 UK), X-Large (12+ UK) and are Machine Washable. Extra Product Details Bridgedale Men's Boot Socks Performance Fit Base Layer Design Soft Merino Wool Flat Toe Seams Ultralight Liner Crew Length Moisture Wicking Perfect For Everyday Available in Black or 3 Sizes Available Machine Washable | Bridgedale Men's Liner Base Layer Merino Wool Performance Boot Socks in Black | Size: 9-11