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Description
Engineered to Breathe. Built to Hold.
The Sidi Genius X Vapo Road Shoe brings enhanced breathability to the Genius line with an open-cell foam upper that maximizes airflow and moisture control. Ideal for hot conditions or long efforts, it's paired with dual NUUN dials, a High-Density Instep, and the R3CC carbon composite sole (stiffness index 6). Internally, Firmor X wraps the foot for structured stability and lasting support. Light, ventilated, and built for all-day riding in total comfort.
Designed for Every Foot
Millennium Fit is Sidi's latest innovation in cycling shoes. The new generation of Sidi shoes are designed with a slightly wider shape, offering enhanced comfort and better adaptability for more riders.
Features:
- Same DNA More Air - Born for unmatched freshness, Genius X Vapo delivers breathable comfort, reduced weight, and lasting performance on any ride.
- Vented But Tough - Knitted fabric construction for a upper with different level of strength, durability over time, and abrasion resistance.
- Ventilated, Light, Built to Hold - Firmor X internal arch support stabilizes the foot, enhances dial tension, and wraps the foot for a secure, unified fit.
- Custom Adapted Fit - SIDI's anatomical TPU instep closure enhances stability and comfort by securing the foot while reducing pressure points.
- Aero Tuned Dials - NUUN 001C is a compact, aero aluminum dial with SIDI's handle system for fast, precise tension and maximum hold.
Specs:
- Upper: Open-cell knit with TPU – breathable, lightweight, and abrasion-resistant
- Closure: Dual NUUN 001C aluminum dials – fast, precise, and aerodynamic fit adjustment
- Instep: Anatomical TPU High-Density Instep – secure hold with reduced pressure points
- Fit System: Firmor X internal wrap – stabilizes arch and enhances fit tension
- Outsole: R3CC carbon composite – stiffness index 6 for balanced power and comfort
- Cleat Setup: Independent cleat adjustment for rider-specific alignment
- Replaceable Parts: Heel pads and dials
Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for continental US customers (not applicable for AK, HI, APO, FPO) if you need a different size and/or color of this product. Returned product must be in new condition with all labels and packaging. Free exchanges apply only for product in stock or available for backorder.
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

Specifications
Cleat Compatibility: 3 Hole (Road) | |
Width: Regular | |
White - 42 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-42 |
White - 42.5 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-42.5 |
White - 43 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-43 |
White - 43.5 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-43.5 |
White - 44 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-44 |
White - 44.5 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-44.5 |
White - 45 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-45 |
White - 45.5 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-45.5 |
White - 46 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-46 |
White - 46.5 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-46.5 |
White - 47 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-47 |
White - 48 | Mfg PartNum: 000MCGENIUSXVAPOWHITE-48 |
Black - 42 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-42 |
Black - 42.5 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-42.5 |
Black - 43 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-43 |
Black - 43.5 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-43.5 |
Black - 44 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-44 |
Black - 44.5 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-44.5 |
Black - 45 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-45 |
Black - 45.5 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-45.5 |
Black - 46 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-46 |
Black - 46.5 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-46.5 |
Black - 47 | Mfg PartNum: 000MCGENIUSXVAPOBLACK-47 |
Mechanic's Corner
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