Built on the trusted fit of the original Alpha, the S/Pro Alpha BOA (R) 120 delivers smooth, responsive energy transfer thanks to Salomon 's revolutionary ExoDrive construction and Powerlink lower pivot. The 98 mm last ensures a performance-driven fit, while the cuff-mounted BOA (R) Fit System brings micro-level precision and maximum control. Salomon S/Pro Alpha C BOA 120 Ski Boots Mens | 25.5 | Christy Sports