Werkman OPTIMUM The WERKMAN OPTIMUM has improved shaping on Front and Hind patterns to reduce fitting time. Optimum Rim Front (U.S. size 0 only) From: $5.72 Sale! Werkman Optimum Fronts – Extra Long Heels (U.S. size 1 only) $6.09$4.00 Sale! Werkman Optimum Fronts (U.S. sizes 00-4) From: $5.71 Sale! Werkman Optimum Hinds (U.S. sizes 00-5) From: $5.71$5.45 Sale!