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Santini Car4 Base Layer - Short-Sleeve - Men's

Sale $62.47 $124.95 50% off

Item # SAN0158

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Item # SAN0158

Cool as carbon.

From the surface, Santini's Car4 looks like your standard short sleeve base layer. But when you discover the fabric and details that go into it, you see that it's much more than your average mesh base layer.

Santini chose to use Resistex Carbon fabric for the Car4's construction for several reasons. First, it's highly wicking, breathable, and antibacterial, which keeps your body temperature regulated as moisture is transferred from your skin through the fabric's differentiated micro hole structure. This means that you stay dry and fresh, regardless of how much sweat your body produces. The material consists of carbon threads that absorb and dissipate electric charges accumulated by the external environment, and, additionally, the 5% carbon fabric keeps your body shielded from absorbing harmful ultraviolet rays.

The Car4's seamless tubular knit torso construction provides stitch-free comfort, and wide shoulders give you ample room to position your bib straps. And because the Resistex Carbon is light and highly elastic, you never experience the underarm pinching commonly associated with short sleeve base layers. Finishing touches include an extra wide waist hem to keep the base layer in place, and Santini's SMS logo knitted into the upper back.

The Santini Car4 Base Layer is available in the color White and in the sizes X-Small/small, Medium/large, and X-Large/xx-large.

Tech Specs

[base layer] Resistex carbon (UV protection)
form fit
Recommended Use:
sun protection while cycling
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...


An essential part of your kit

    This is the real deal. High-quality cycling clothing designed and manufactured in Italy since 1965 by Pietro Santini and family. Ridden by many in the Pro peloton -including last years winner of the Giro d'Italia (Vincenzo Nibali).

    Application: Light weight base-layer for Fall/Spring use (and cool Summer mornings).

    PROS: Works great. Does not show through. Very comfortable stretch fit due to Italian sock machine manufacture. "Resistex" carbon fabric (also made in Italy) is anti-microbial, anti-static and UV-protective. And this base layer fits easily over your head (unlike some Castelli base layers).

    CONS: none.

    FIT: I'm 5'10" and 180lbs. The XL/XXL fits nicely. The fabric is stretch fit. The XL/XXL would fit most riders 180-220 lbs.

    Santini cycle clothing is actually made in Italy with obvious pride and tremendous attention to detail and quality.