Arch Support Flip Flops Crystal Black Size:11 The BIRKENSTOCK Boston is a

The BIRKENSTOCK Boston is a classic clog that adds easy style and all-day comfort to your wardrobe

Seamless construction eliminates rough edges and overlays that can cause blisters or hot spots during extended wear

Patella stabilization

one-piece tread for enhanced traction and stability

More relief that carries you through the day

Arch Support Flip Flops Crystal Black Size:11 The BIRKENSTOCK Boston is aThe flip flops that started it all. Signature arch support meets timeless design in our most loved style. Comfortable from the moment you put them on, better with every wear. When ordering a pair of Archies Flip Flops or Slides, we recommend you choose your normal running shoe size. Half Sizes: If you are normally a half size we recommend you size up to the nearest full size. If you are normally a size 7. 5 we recommend ordering a size 8.