The breathable, sustainable knit upper of Propét’s “B10 Usher” is made from wood, bamboo and cotton. A removable Ortholite® foam insole provides high-level cushioning, while a second foam insert enables you to customize fit. The super-lightweight outsole of ETPU foam offers a spring-like response to every step. Men’s sizes 8–12, 13, 14, 15 and 16 in 3E and 5E widths.