Sidi Prima Mega Black Cycling Shoes

EUR SIZE	US	UK	CM (cm)
36	4	3	22
37	5	4	22.7
38	6	5	23.3
38.5	6.5	5.5	23.7
39	6.5	5.5	24
39.5	7	6	24.4
40	7.5	6.5	24.7
40.5	8	7	25
41	8	7	25.3
41.5	8.5	7.5	25.7
42	9	8	26
42.5	9.5	8.5	26.4
43	10	9	26.7
43.5	10.5	9.5	27
44	10.5	9.5	27.3
44.5	11	10	27.7
45	11.5	10.5	28
45.5	12	11	28.4
46	12	11	28.7
46.5	12.5	11.5	29
47	13	12	29.3
48	13.5	12.5	30
49	14.5	13.5	30.7
50	15	14	31.3
51	16	15	32
52	17	16	32.7

The shoe for the modern riders

Experience uncompromising performance with the Sidi Prima Mega Black Cycling Shoes, engineered for riders who demand speed without sacrifice. The innovative Firmor closure system enables rapid adjustments mid-ride, while the ultralight upper construction minimizes fatigue during extended efforts. Featuring a low-profile Aerolite carbon nylon sole, these shoes deliver exceptional power transfer and ground feel—the hallmarks of professional-grade cycling footwear. Designed for those who refuse to compromise between weight, responsiveness, and all-day comfort.

KEY FEATURES

Politex Matt upper
Firmor Closure system
Dial system with Dyneema® cable
Sidi heel cup
Replaceable parts
Aerolite nylon and carbon sole

POLITEX MATT UPPER

Sidi Prima Mega Black Cycling Shoes deliver ultralight performance that reduces foot fatigue during intense rides, thanks to their minimalist upper design and responsive Aerolite carbon sole.

HIGH DENSITY RESIN DIALING SYSTEM WITH DYNEEMA® AND FIRMOR CLOSURE

Engineered with Dyneema® reinforcement and Firmor closure technology, the Sidi Prima Mega Black delivers lightweight durability and secure fit for competitive cycling.

AEROLITE CARBON PLUS NYLON SOLE WITH STIFFNESS 5

The Sidi Prima Mega Black optimizes biomechanical efficiency to maximize power delivery, translating every watt into forward momentum with precision engineering.

ANATOMICAL HEEL CONSTRUCTION

Enhanced heel counter design provides superior stability and support, keeping your foot secure throughout demanding rides.

The Embrace of Firmor

Firmor technology delivers infinite fit adjustment on the fly, maintaining foot stability with seamless micro-tuning during your ride.

The Shoe And The Foot As One Thing Together

Six decades of Sidi's relentless pursuit of fit perfection culminates in the Prima—a shoe refined through generations of professional cycling expertise and innovation.

Ergonomics Enhance

The Aerolite carbon composite sole delivers stiffness rating 5 with enhanced comfort for efficient power transfer.

Breathing Out

Open-cell mesh construction promotes superior ventilation, efficiently expelling internal moisture for enhanced breathability during intense efforts.

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Sidi Prima Mega Black Cycling Shoes

The shoe for the modern riders

KEY FEATURES

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