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Sidi T3 Air Men's Shoes

Sale $199.96 $249.95 20% off

Item # SID0106

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  • Vernice Black/White, 39.0 ($199.96)
  • Vernice Black/White, 39.5 ($199.96)
  • Vernice Black/White, 40.0 ($199.96)
  • Vernice Black/White, 40.5 ($199.96)
  • Vernice Black/White, 41.0 ($199.96)
  • Vernice Black/White, 41.5 ($199.96)
  • Vernice Black/White, 42.0 ($199.96)
  • Vernice Black/White, 42.5 ($199.96)
  • Vernice Black/White, 43.0 ($199.96)
  • Vernice Black/White, 43.5 ($199.96)
  • Vernice Black/White, 44.5 ($199.96)
  • Vernice Black/White, 45.0 ($199.96)
  • Vernice Black/White, 45.5 ($199.96)
  • Vernice Black/White, 46.5 ($199.96)
  • Vernice Black/White, 47.0 ($199.96)
  • Vernice Black/White, 48.0 ($199.96)
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Item # SID0106

Everything that you've been asking for

Over the course of a triathlon, we know that you're living in the pain cave for hours on end. That's why it's essential that you benefit from any advantage that you can get. However, there are some things that are such prerequisites for equipment, that we're amazed at the level of which people are mucking it up. For example, let's talk about shoes. What you need is pretty simple -- an easy entry and exit design, a low-volume, adjustable fit, and a sole that's rigid yet doesn't berate your feet after a hundred miles. If you feel like you've been looking in vain, look no further. The Sidi T3 Air Shoes cover all of the bases while exuding an aesthetic that'll stop the pack in their tracks.

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 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 Shoes are available in the color Vernice Black/white and in even and odd sizes from 39.0 to 48.0.

  • Lucido synthetic leather upper
  • Two hook-and-loop straps
  • Eleven Carbon Composite Sole (carbon-infused nylon matrix)
  • Sidi's signature Heel Cup

Tech Specs

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

Size chart

Fuji Bicycles


Geometry Chart


Altamira LTD

Seat Tube


Effective Top Tube








Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop


Chainstay Length



44 44.0cm 51.5cm


36.3cm 72.1cm


72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm


37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm


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Here's what others have to say...

Unanswered Question

What is the difference between the T3 Air and the T3 Air Composite? I thought one was all carbon sole and the other composite, but both have the same description of a carbon composite sole. And the price is the same.