Developed in collaboration with industrial medical physicians is highly recommended for outside heavy duty work, for walking and simply for every day use. This patented sock comes with a padded foot bed, coupled with moderate compression to help stimulate blood flow and increase circulation, alleviating swelling and reducing symptoms on heavy and fatigued legs.Features Heavy-duty work or safety shoes and boots need comfort. Silver DryStat anti bacterial, anti fungal Compression starts mid foot with plantar support zone Stimulates blood circulation Improves oxygen delivery to muscles Lactic acid production reduced, cramp reduction Long Lasting Cushioning System reinforced provides constant shock absorption while the good reactivity of the fabrics maintains their original shape. Size - Extra Large Color - Khaki Dimension - 7 x 4 x 1 in. Item Weight - 0.3 lbs. - SKU: SKWS364