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Castelli Sanremo 2.0 Speed Suit - Men's

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Item # CST2577

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Item # CST2577


If you're like us, you value the aerodynamic edge of your skinsuit in the time trial, but no matter how often you try to will yourself, you just can't wear it for training or stage racing. Well, times are changing and watts are saved like never before with the latest Castelli invention, the San Remo Speedsuit. It's so fast that Castelli patented it. The San Remo Speedsuit is the result of Castelli combining the most aerodynamic, breathable, and lightweight garments in their line into one piece of wearable technology. Designed for every cycling application from the Pyrenees to the time trial, the San Remo Speedsuit has shattered the mold of aerodynamic garment design.

The Castelli Speedsuit's revolutionary design was achieved by a precise combination of fabrics, and an outside-the-box approach to aerodynamics. The Speedsuit idea started with Castelli re-envisioning the application of a skinsuit. While offering superior aerodynamic performance, the lack of pockets and the inability for nature breaks make the skinsuit notoriously impractical for daily riding or road racing. The solution was clear, combine the two fastest, lightweight garments in the Castelli closet, and make them into one cohesive piece that's more aerodynamic as a whole than separate. So, Castelli made the lower portion from the nearly seamless Body Paint shorts, and used the Aero Race jersey for the upper. Body Paint feels as it sounds, like a barely-there skin layer that minimizes your aerodynamic footprint. It's Castelli's most lightweight and quick-drying lower fabric, and features a slight dimpling on the legs to create an aerodynamic boundary layer (think of a golf ball). The Aero Race upper is Castelli's top-shelf race jersey, and is so aero that it's claimed to save 12 watts at 40km/h over a normal, high-end jersey. The upper features a silicone printing on the side panels to further induce turbulence, and thus shave more time and precious watts from your ride. The two garments are integrated in the fashion of a skinsuit at the hips, only deviating from stitched integration at the very front as to allow nature breaks on or off the bike -- seriously, Castelli tested it.

Castelli's idea for an everyday skinsuit has been extended to every facet of the San Remo Speedsuit, and we're ecstatic that the Progetto X2 chamois made the cut. Castelli's most innovative chamois, the Progetto's surface uses a skin-care layer comprised of a seamless bacteriostatic fabric that conforms to the body without folding. The material supports airflow, and aids in evaporation. The second layer is multi-density foam with variable thickness placed where you need it, not where you don't. The comfort level is also aided by Castelli's Viscous comfort inserts; a perforated padding added to the highly-sensitive ischia and perineum pressure regions. In addition to Castelli's best chamois, the San Remo Speedsuit also comes with three rear storage pockets that are designed to stay in place under load, and a full-length camlock hidden zipper for quick ventilation.

The Castelli San Remo Speed is available in six sizes from Small to XXX-Large, and in the colors Black/yellow fluo and White/red/black.

Tech Specs

Leg Gripper:
compression band
yes, Progetto X2 Air
spring, summer, fall
3 back
[upper body] Velocity Dry, Nevato, [lower body] Body Paint
form fit
Recommended Use:
road racing, cyclocross
Manufacturer Warranty:
30 days
no, skin suit

Size chart


Men's Apparel
Chest 36.2in
Waist 31.5in
Hip 37in
Inseam 31.9in
How to Measure:
For best results, take measurements over your underwear.
Measure under your arms, around the fullest part of your chest.
Measure around your natural waistline, keeping the tape a bit loose.
Measure around the fullest part of your body at the top of your legs.
Using pants that fit well, measure the crotch seam to the bottom of the leg.

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Here's what others have to say...


Fast light & cool

    This is basically bibs with the straps cut off and sewed to a cut down jersey. If you look at the cost of the jersey and shorts seperatly it's more. This is lighter because of the fabric removed, faster because it fits so well and stays cool real well.


    Love it; but consider sizing up

    • Familiarity:I've used it once or twice and have initial impressions

    This is an excellent piece. I previously tried and didn't like the body paint bib shorts as a stand-alone, but the version that forms the bottom half of this suit fits great and is extremely comfortable. The fit of the top half is also excellent--Castelli cut it to fit correctly in cycling posture, and it works well.

    Consider sizing up on this piece, though. I wear mediums in Castelli jerseys, including the aero race, and also wear a medium in the aero free bib short, but the medium of this suit was too small for me on top. There was tension in the fabric that caused it to dig into my shoulders. In the size large, all that fabric tension went away, but a very close, aero race fit remained. I'm 5'10", and 155-160.

    After you used the size medium a few times did the fit improve or was it still too tight?

    Unanswered Question

    What is the weight on the XXL?

    What is the weight on the XXL?