Removable sock liner

Original BIRKENSTOCK Deep Blue Footbed

The silk liner absorbs moisture while the cork/EVA underside provides shock absorption

With its flexible sole and easy access zipper

Patented stapled construction

Athens 2 Size (Men's US):11 Removable sock linerStep into the future with the Athens 2, the next evolution in footwear. Featuring our patented Cage and resilient heel technology, this hands free shoe delivers a seamless step in experience while also providing unmatched comfort. Endless motion awaits. HandsFree Labs technology: Cage Rocker sole for smooth heel to toe roll through Heel stabilizer to control rear foot motion Sku: MATH2502