Birkenstock UNISEX Boston Braided Suede Leather (Black - Narrow Fit) Size:9W/7M Outsole: Molded rubber outsole with DOCU1460FELIXVGNLCUPBTS14045001BLKRO9 This style is also Color:White Paris cf-size-6-women

Outsole: Molded rubber outsole with leather welt

this application helps the shoe move more naturally with the runner's foot

with good abrasion and slip resistance

we applied an uphill and downhill lug pattern for improved agility when navigating varying topography

Designed in conjunction with the ASICS Institute of Sport Science

Birkenstock UNISEX Boston Braided Suede Leather (Black Narrow Fit) Size:9W 7M Outsole: Molded rubber outsole with DOCU1460FELIXVGNLCUPBTS14045001BLKRO9 This style is also Color:White Paris cf size 6 women Outsole: Molded rubber outsole with leather welt this application helps the shoe move more naturally with the runner's foot