The Birkenstock Boston BS is a classic unisex clog featuring premium suede upper in soft gray, a signature contoured cork footbed with suede lining for breathability and comfort, and a durable rubber sole with slight heel elevation. The iconic adjustable metal buckle strap ensures a secure, customizable fit across the instep, while the open-back design allows for easy slip-on wear. Crafted with Birkenstock’s patented anatomically shaped footbed that supports the natural arch and promotes healthy posture, this model offers exceptional all-day comfort ideal for casual urban wear, home use, or light outdoor activities. The suede material provides a refined texture and subtle elegance, making it versatile for spring, summer, and early fall styling—pair with jeans, linen pants, or dresses for effortless minimalist chic. Size 38 (EU) corresponds to US 6.5–7 (M/W), as indicated on the official blue retail box shown beside the shoe.