Birkenstock Boston Clog. BNWT! These are just a bit too big for me. A suede-lined cork footbed ensures proper weight distribution and support in a comfy clog designed to stimulate circulation and improve balance. The upper is crafted from Birko-Flor, a proprietary blend of textiles with a smooth, leather-like finish. Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Contoured footbed with arch support Leather upper and lining/ synthetic sole