From the Lindner Socks website -
From the Heritage Collection, our 'Max' thick, full-cushioned merino socks have been keeping feet in gumboots, work boots or hiking boots, warm and comfortable for generations. They're available in a wide range of colours and have an elastic top and well fitting heel.
Strong and durable, they are the ultimate work and outdoor/adventure sock.
Fibre Composition: Merino Wool: 75% Nylon: 25%
Sizing information: The Max sock is designed to be a crew length.
Photos and information from the Lindner Quality Socks website.