The ankle area is an excellent place to repel ticks: when a tick starts from ground level and tries to make its way up and encounters Reima Karkotin socks, it finds itself on the material, from which it instinctively turns away. The active ingredient is nature's own product: citrus grass, from which geraniol extracted is a natural insect repellent. The repellent treatment lasts up to 50 washes! The socks have a mild citrus scent. - Stretchy and comfortable material - The shaft of the socks reaches the top of the calf - 74% organic cotton, 16% polypropylene, 8% polyamide, 2% elastane - Extra soft areas in the heel and toe areas - Machine wash 40°C, do not tumble dry, do not use bleach *Karkotin* is Finnish for "repeller".