Unisex Birkenstock Birki Flow EVA | Zappos.com。The product is a pair of Birkenstock Men’s Birki Flow EVA Clogs in size 9.5. These beige sandals feature a slip-on closure with a round toe shape and are made of lightweight EVA material. They are designed for various occasions including travel, casual wear, and workwear. The clogs are famous for their comfort and are ideal for recovering, beach outings, or sports activities. Made in Germany, these Birkenstock Birki Flow EVA clogs are water-friendly and have an adjustable ankle strap for a personalized fit.