<!--ProdInc[300261126]/Mall:[backcountry_US]-->The race-engineered Shimano RC903 S-PHYRE Wide Cycling Shoes feature the same high-performance technology as its regular width version, but with a wider fit for riders who seek a bit of extra space. Using DYNALAST technology, a proprietary last built specifically for wide-width shoes, you are provided with a fit that conforms to the natural contours of your foot to allow for a smooth, efficient upstroke. An anti-twist heel cup in the shoe''s footbed stabilizes your heel when you put down max watts, while its optimum stiffness levels maximize your power transfer and reduce energy loss. <h3>Details</h3> Wide width cycling shoe engineered for race day Wrapped in a 360º micro-fiber leather upper DYNALAST wide-width technology provides natural fit Dual BOA Li2 dials offer secure fit with zero hot spots Anti-twist heel cup locks foot in optimal position A refined toe box reduces tension in the lower legs 3-bolt, SPD-SL pedal platform efficiently transfers power Item runs small, so we recommend sizing up for best fit Item #SHIU1GN <h3>Tech Specs</h3> Upper Material : reinforced micro-fiber leather upper, perforated venting Closure : dual BOA Li2 dials Footbed : anti-twist heel cup Midsole : seamless structure Sole : TPU (cover) Cleat Compatibility : SPD-SL, 3-bolt Claimed Weight : [size 42] 8oz (225g) Manufacturer Warranty : 1 year Activity : road cycling