The NEW SIDAS Outdoor 3Feet High Arch Slim Sports Insoles in size medium are designed for adults seeking comfort and support during outdoor activities like hiking and walking. These orthotic insoles by Sidas are specifically designed for individuals with high arches, providing a slim and fit design in a sleek black colour. The full-length insoles are perfect for everyday wear, offering a combination of comfort and medical support for a variety of sports and mobility needs.