Heritage inside and out. The Highwood Chelsea boot from Birkentstock is crafted with the finest natural leather and a Birkenstock cork PU midsole, hinting at the legendary comfort within. Inside, a premium Deep Blue footbed provides layers of support, with a moisture-wicking lining and PU base that optimizes your natural walking motion. Tread comfortably. Soft Moc Mens Highwood Chelsea Boot - Black