The sealskinz thin walking mid socks are lightweight waterproof windproof and breathable making them ideal for keeping your feet dry and comfortable when you are enjoying sports and the great outdoors in warmer wet conditions these waterproof socks have a durable yet lovely soft touch outer and a merino wool lining for moisture control and comfort they also have a well elasticated ankle and instep and a y gore heel construction for excellent support and a great secure fit ideal for wearing with