Birkenstock Boston EVA Clog Description: Our best-selling clog in an ultra-lightweight style. The Boston EVA is made from water-friendly material, giving you a flexible design built on the contoured footbed you love most. The perfect pair for pre-workout, post-practice, and all the rest days in between. Features: Contoured footbed: Provides legendary BIRKENSTOCK support. Single-piece EVA construction: Ultra-lightweight and water-friendly. Flexible & lightweight: Ideal for all-day comfort. Adjustable strap: Features a tonal pin buckle for a secure fit. Made in Germany: Crafted with precision and high-quality materials. Materials: Upper - EVA: High-quality, lightweight, and elastic material with excellent cushioning. Insole - EVA: Softens impact and smooths out slight irregularities in the floor for added comfort. Footbed Material - EVA: Ensures each step is softly cushioned for maximum ease.