Birkenstock Sierra CT Black Oiled R 1022305 Redback Removable insole is laminated with

Removable insole is laminated with Merino wool

A customer favourite with a natural boiled wool felt upper

XRD™ footbed for all-day comfort and support

This leather boot features a pleated design and a dual-density rubber outsole for durability this season

Birkenstock Sierra CT Black Oiled R 1022305 Redback Removable insole is laminated withThe Sierra is the perfect two strap sandal for camping, hiking, travel, and all of your adventures. Designed with active BIRKENSTOCK fans in mind. This version pairs iconic Birkenstock features including nubuck leather uppers, classic adjustable buckle closures and suede footbed liners with direct injection outdoor ready outsoles for increased traction and durability. The upper is made of especially thick, oiled nubuck leather. Anatomically shaped