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Description
SIDI's flagship bike shoe for triathletes, the Men's T-5 Air Triathlon Shoe, arrives with a series of must-have features and expert craftsmanship that make it race-ready out of the box.
Start with the vented Politex upper, which is constructed of several overlapping layers with different physical and mechanical properties. This compacted PVC material is then coupled to two fabrics (knitted fabric and felt) that is film dyed for durable, long-lasting color retention.
Made in strict compliance with environmental regulations that have earned it a "green product" designation, Politex offers strong resistance to rips, lacerations, stretching and fading.
On the back, a reinforced heel keeps the foot in an optimal position and avoids the shoe being deformed by extreme performance or prolonged pressure, while a replaceable polyurethane heel pad adds walkability.
Down below, a composite sole injected with molded carbon fiber in a matrix of nylon creates a lighter and stiffer sole that is less susceptible to changes because of aging or extended usage.
Rounding out the design of the T-5 Air Triathlon Shoe are smart details like two wide Velcro closure straps, heel hooks for easy-on, easy-off transitions, and bold black, yellow, and gray triangles tiled around the sides and on the top.
Features & Specs:
- Vented Politiex upper
- Twelve carbon composite sole
- Replaceable polyurethane heel pad
- Extra thick Velcro closure system
- Pull tabs on heel for fast transitions
- Reinforced SID heel cup
- Standard "D" width last for precise fit
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. Cleats may have been mounted leaving minor marks on the soles. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Size Chart

This size chart provides our best estimate for which European shoe size to choose based on your US shoe size. This will not necessarily match the US size shown on the product, but it is the best guidance we can provide for this particular brand.
If we've noticed that any particular model deviates from the standardized chart, we will list this information in the product description.
Please contact us with any questions.
Specifications
Width: Regular | |
Cleat Compatibility: 3 Hole (Road) | |
Black - 42 | Mfg PartNum: STS-T5A-BKBK-420 |
Black - 42.5 | Mfg PartNum: STS-T5A-BKBK-425 |
Black - 43 | Mfg PartNum: STS-T5A-BKBK-430 |
Black - 43.5 | Mfg PartNum: STS-T5A-BKBK-435 |
Black - 44 | Mfg PartNum: STS-T5A-BKBK-440 |
Black - 44.5 | Mfg PartNum: STS-T5A-BKBK-445 |
Black - 45 | Mfg PartNum: STS-T5A-BKBK-450 |
Black - 45.5 | Mfg PartNum: STS-T5A-BKBK-455 |
Black - 46 | Mfg PartNum: STS-T5A-BKBK-460 |
Black - 46.5 | Mfg PartNum: STS-T5A-BKBK-465 |
Black - 47 | Mfg PartNum: STS-T5A-BKBK-470 |
Grey / Yellow / Black - 42 | Mfg PartNum: STS-T5A-GYYB-420 |
Grey / Yellow / Black - 42.5 | Mfg PartNum: STS-T5A-GYYB-425 |
Grey / Yellow / Black - 43 | Mfg PartNum: STS-T5A-GYYB-430 |
Grey / Yellow / Black - 43.5 | Mfg PartNum: STS-T5A-GYYB-435 |
Grey / Yellow / Black - 44 | Mfg PartNum: STS-T5A-GYYB-440 |
Grey / Yellow / Black - 44.5 | Mfg PartNum: STS-T5A-GYYB-445 |
Grey / Yellow / Black - 45 | Mfg PartNum: STS-T5A-GYYB-450 |
Grey / Yellow / Black - 45.5 | Mfg PartNum: STS-T5A-GYYB-455 |
Grey / Yellow / Black - 46 | Mfg PartNum: STS-T5A-GYYB-460 |
Grey / Yellow / Black - 46.5 | Mfg PartNum: STS-T5A-GYYB-465 |
Grey / Yellow / Black - 47 | Mfg PartNum: STS-T5A-GYYB-470 |
Reviews
I have used Sidi products for over two decades bicycle shoes and motorcycle boots. They are fantastic products that I only buy and, cough cough, have bought other brands over the years, Shimano and Alpinestars among others. For me there is no going back. This is it.
This is my third Sidi triathlon shoe. I won't go to another shoe since I've found how well the Sidi shoe conforms to my feet. It is simply a very comfortable shoe while being stiff enough I get no pressure points/hot spots. I can't say much about the style of the upper, but that's not all that important to me.
Mechanic's Corner
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