The highest, finest and best type of wool obtainable. Merino wool does not itch and is shrink-treated to hold its size and shape. Specially shaped welt for comfort with mesh areas to give better air circulation Combination of toe seam, terry toe box and materials used to give superior comfort on toe area. Specially designed elastic for better arch support and no sliding. High density terry area under the metatarsus to prevent vibrations from the ground. Materials used in heel and toe areas ensure a high resistance to abrasion.