UPPER: Heat moldable Custom-Fit Technology
Supple premium micro-fiber leathers and multi-layerd moisture control mesh
Low-profile micro-adjust buckle and dual off-set straps
Anti-slip heel lining knitted with metal fibers prevents heel lift
Heat moldable insoles accommodate and support feet
LAST: Curved, anatomical last with Custom-Fit precision
SOLE: Lightweight hollow channel, ultra-rigid, woven carbon fiber composite sole
The R-241B is a normal width and available in half sizes but this model the R241E has a wider last for wide feet
Best matched with Ultegra PD-6700-C or Dura Ace pedals but can be used with all three hole pedal formats.