Birkenstock Women's Arizona Rivet Wool Felt Doubleface Grey Size:40 N Sonja is a traditional open-back

Sonja is a traditional open-back clog that features a roomy reinforced toe box

Style: 60070 Footbed: Scandinavian Fit: Medium width Sole: 1

Achilles tendonitis

100% Made from recycled polyester waffle knit lining

Leather lining

Birkenstock Women's Arizona Rivet Wool Felt Doubleface Grey Size:40 N Sonja is a traditional open-backThe legendary two strap design from BIRKENSTOCK the Arizona. Iconic style with the signature comfort of the BIRKENSTOCK footbed. The adjustable straps provide a personalized fit. The upper is made from soft wool felt and the footbed is fully lined in fluffy, cozy wool. Anatomically shaped cork latex footbed Upper: wool felt Footbed lining: wool Sole: EVA Details: two straps, each with an individually adjustable metal pin buckle Made in Germany