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Item # SID0100

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  • Vernice White/Black/Blue, 38.5 ($99.98)
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Item # SID0100

The intersection of comfort and speed.

No matter how much you empty yourself during the cycling stage of your triathlon, it's all for naught if your feet are incapable of carrying you across the finish line. Case in point are hot spots. If your cycling shoes are giving you hot spots, that nuisance in the saddle will quickly become crippling when it's time to run. With this in mind, the Sidi T3 Air Women's Shoes deliver a perfect anatomical fit and supreme comfort, without sacrificing any of the legendary Sidi power transfer.

First and foremost, Sidi designed the T3 Shoe around a women's-specific shape. This means that the shoe is wider in the forefoot and narrower toward the heel in comparison to the men's shape. Additionally, the women's T3 features a lower overall volume.

So, from a purely functional standpoint, we can agree that rigidity is key. That's why Sidi uses a multi-step system to ensure that your power output receives a minimal amount of dissipation through the interaction of the shoe and the pedal. To achieve this, Sidi incorporated its new Eleven Carbon Composite sole. Now, don't think that this is anything like the Millennium 3 composite sole. The Eleven uses a 3K carbon fiber weave that's been inset into a carbon infused nylon matrix. This process provides variable stiffness throughout the sole in order to dramatically improve the overall stiffness-to-comfort ratio of the shoe. This especially makes the sensation of your T2 change into running shoes more seamless, because your arch movements have been accommodated over the cycling leg. And not only does the composite matrix result in comfort, but it also enhances the level of durability. In fact, Sidi estimates that the new material is less susceptible to temperature extremes and wear, and accordingly, the soles are predicted to retain their rigidity levels over multiple seasons of use.

For fit, Sidi understands that triathlon plays by another set of rules. Its hallmark ratcheting system and Ergo Buckles aren't relevant to your discipline, so, Sidi incorporated a two-strap closure system, mated with a 'burrito-wrap' upper. What does this mean? Well, the T3 features an opening that runs over nearly the entire top of the shoe. The burrito analogy is drawn from the T3's upper construction where one layer of the upper wraps over the other. This allows you to really dial in the volume of the shoe, whether it be for training or on-the-fly during a race. For your T1 transitions, the two-strap closure system is a breeze. The large top strap opens away from the drivetrain to allow a quick and seamless securing of the shoe. As for the bottom strap, you'll find that this is used less for transitions, and more left alone once you've established your desired volume and fit. However, the gripper tabs placement on the strap simplifies any adjustments that you might need to make from the saddle. To really speed up T1, Sidi has also included a durable pull-tab at the heel.

Further along the lines of fit, Sidi has placed its signature heel cup at the aft position of the shoe for reinforcement. Basically, it keeps the foot in the perfect position on hard up-strokes and while climbing out of the saddle. For comfort, the body of the shoe has been made from a new synthetic leather that Sidi calls Lucido. This material provides a firm grip on the foot, thoroughly fulfilling its duty as a strong interface between your foot and the sole. Even better, the material is extremely durable, as it doesn't succumb to the variable forces and bending that would normally wrinkle the shape of the uppers. Instead, the intended shape of the shoe remains unscathed over the years. More importantly, Lucido retains its strength even though the entire composition of the upper is perforated -- after all, it's not called the 'Air' for no reason. The obsessive amount of ventilation holes make the T3 Air the obvious choice for warm-weather racing and training.

The T3 Air is compatible with three hole cycling cleats. And for easy adjustment, the sole features a molded, 10mm horizontal and vertical cleat alignment scale. This scale also offers the Look Memory Eyelet. To add some life to the soles of the T3, Sidi made the heel pad completely replaceable.

The Sidi T3 Air Women's Shoes are available in the color Vernice White/black/blue and in even and odd sizes from 38.0 to 43.0.

  • Lucido perforated synthetic leather upper
  • Burrito-wrap upper with reverse hook-and-loop closure
  • Eleven Carbon Composite matrix sole
  • Women's-specific last
  • Adjustable three-hole cleat setup
  • Replaceable heel pad

Tech Specs

Upper Material:
[uppers] Lucido (100% synthetic leather)
hook and loop straps
carbon composite
Eleven carbon composite
Cleat Compatibility:
3-hole road
Recommended Use:
Manufacturer Warranty:
1 year

Size chart

Cycling Shoes

US SHOE SIZE55.566.577.588.599.51010.51111.51212.513
Diadora 36 37 37.5 38 39 39.5 40 41 41.5 42 42.5 43 44     
Giro 36 36.5 37 38 38.5 39 40 40.5 41 42 42.5 43      
Lake 36 36.5 37 37.5 38 38.5 39 39.5 40 40.5 41 41.5 42 42.5 43   
Louis Garneau   36 37 38 38.5 39 39.5 40 40.5 41 41.5 42 42.5 / 43   
Mavic (US/EU) 5 / 36 5.5 / 36.7 6 / 37.3 6.5 / 38 7 / 38.7 7.5 / 39.3 8 / 40 8.5 / 40.7 9 / 41.3 9.5 / 42 10 / 42.7 10.5 / 43.3 11 / 44 11.5 / 44.7 12 / 45.3 12.5 / 46 13 / 46.7
Northwave 34 35 36 37   38 39 40 40.5 41 41.5 42 42.5 43 44 44.5 45
Pearl Izumi 36.5 37 38 38.5 39 39.5 40.5 41 41.5 42 43 43.5 44 45 45.5 46 47
Scott 36 37 38 39 40 41 42     
Shimano 36 37 37.5 38 38.5 39.5 40.5 41 41.5 42 42.5 43 44     
Sidi 36.5   37.5   39   40.5   41.5   42.5       
US SHOE SIZE55.566.577.588.599.51010.51111.51212.513

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