This product is designed for use on day hikes in all weather on flat or varied terrain. Extra stretch yarn added to conform more precisely to the ankle area. Smaller heel pocket for added comfort and improved fit for a womanÃÂs smaller heel. Lightweight padding in the heel and ball protects the foot from shear and impact forces and helps to prevent painful blisters. Lace pad protects the top of foot against boot lace pressure. Elastic and low padding in the arch for added comfort and better fit. Ventilation panel to improve fit and wicking. Custom toe area designed to allow for better fit for a womanÃÂs foot. Content: 30% Wool, 20% THORLON Acrylic, 18% Hallow core Polyester, 14% Nylon, 12% Silk, 6% Spandex Your browser does not support iframes.