It has an adjustable metal pin-buckle strap across the instep

000 mm for water-resistant protection in wet and cold conditions

A dark textured synthetic cupsole and padded tongue complete the design

Chunky straight temples finish the frame

It has a soft suede upper

birkenstock boston sfb leve mocca 660463 Color_Gravel/Pure Silver It has an adjustable metalThe Boston Soft Footbed is a closed toe suede clog in a deep Mocha colour with a backless, low profile shape. It has an adjustable metal pin buckle strap across the instep, a cork footbed with Birkenstocks Soft Footbed construction and an integrated latex foam cushion, and a flexible EVA sole. A suede footbed lining and made in Germany construction finish the classic Boston design.