Birkenstock Mens Atacama Sandal Sz US 9 / EU 42 Blue Ombre 。The Birkenstock Atacama Birko-Flor Futura Sky Blue Trail Sandals in size 44 (UK 9.5) are a stylish and comfortable option for men\'s casual footwear. Featuring a solid blue color with logo accents, these sandals are perfect for outdoor activities during the summer and spring seasons. The hook & loop closure and standard shoe width make them easy to wear and suitable for everyday wear. With a durable polyurethane upper material and synthetic insole, these Birkenstock sandals offer quality and support for all-day comfort.