Elasticzed arch band insures support and wrinkle free fit under the arch and encourages foot circulation * The terry looped padding system absorbs shock and protects feet without bulkiness or wrinkling * A unique padding system runs from toe box to heel and up the achilles tendon for extra comfort in trail runners and hiking boots * The toe area expands whle walking to ensure comfort on both uphill and downhill strides * WoolSupreme is Merino wool blended with performance driven MicroSupreme fibers that insures comfort, ventilation, moisture management and dry feet