The BIRKENSTOCK Boston is a veritable classic that can easily be worn all year round

soft cotton lines the waistband

was organically adopted by rebels

Lycra lining

Chimi Core 05 Pale Yellow 78-919 The BIRKENSTOCK Boston is a05 is a structural square shaped silhouette with emphasis on architectural angles. The minimalist frame features distinct linear bevels at the temples for a sartorial look. Fitted with UV protective CR39 lenses. Handcrafted in premium Acetate Renew, composed of 42% bio based and 28% certified recycled plastic with a customized CHIMI metal core. Features Light Blocking Ability: Medium Architectural finesse. Model 05s square silhouette is all about