Extra underfoot padding this is the perfect sock for all-day hikes and expeditions. Merino Performance Fusion Technology provides resilient padding, balanced insulation, moisture wicking and outstanding durability for all day comfort, Engineered Shock Zone padding provide extra support and comfort and the sock is kept securely in place with an Elasticated Arch and 3D-shaped heel cup, Built on a structure of Lycra®, allows our Thermo Fit process to ensure the sock returns to its original shape and size after every wash, Designed for junior explorers who enjoy long distance walks on rugged terrain, the Hike All Season Junior is a tough sock with all the features and performance you’d find in our adult styles, 31% Merino Wool, 37% Nylon, 31% polypropylene, 1% LYCRA.