Birkenstock Boston is a versatile classic clog that can be worn all-year round. The nature-inspired design features a soft suede upper which hugs the foot and a contoured footbed for ultra comfort. Includes one strap with an adjustable metal pin buckle.Features. Our favorite Birks Birkenstock Bostons in soft suede Easy slip-on clog silhouette Content + Care. Suede, leather, cork, EVA Spot clean Imported Size + Fit. Medium/Narrow width