The Wire 2 Carbon Cycling Shoe is Sidi's flagship women's road shoe, and is the same as the men's version other than using a tapered last that better mimics a woman's foot shape. The resulting shoe is narrower across the ball of the foot, has less volume in the instep area, and has a narrower heel cup for a more secure fit. Compared to the standard Wire 2, the Air version features uppers that are more heavily perforated to provide some extra ventilation for warm weather riding. Otherwise, it sees the same updates that improve comfort over the previous generation of the Wire. These updates include the lower dial being relocated to the top of the tongue for a more comfortable fit, and a narrower instep strap that's more flexible and has additional soft padding for a better feel against your foot. Sidi shoes are well renowned for their comfort and stiffness, but Sidi hasn't attained its dominance by resting on laurels and leaving innovation for its competitors. While many shoe brands will outsource it's dial closures to BOA, the Wire 2 utilizes Sidi's own Techno 3 dial. Most notably, it allows for adjustments of each of the shoe's instep and forefoot buckles and is significantly more intuitive and easier to do while in the saddle. Loosening each buckle is a simple affair -- you can pinch both buttons on either side of the buckle to unwind the line closure, or you can toggle each button for extremely precise incremental adjustment. Tightening the shoe should also be familiar: just open the buckle's switch and wind the buckle. Sidi uses a supple, low-friction line material to keep the buckle action smooth. Not only does the Techno 3 make the shoe's overall aesthetic even cleaner, but it also allows for an even greater degree of micro adjustability and fit consistency across the entire shoe. This ensures that you get the perfect fit every single time you buckle up for a ride. And for those who prefer as snug a fit as possible, the shoe's Soft Instep Closure System has ...