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Castelli Inferno Bib Shorts - Men's

$229.95

Item # CST005L

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Item # CST005L

Conquer the heat.

As the name implies, Castelli's Inferno Bib Shorts were created for rides when the summer wind blows in heat-related agony on par with that suffered by Dante's blasphemers. Whether you're riding in the seventh circle of hell or in the French alps during the seventh month of the calendar year, you'll appreciate the Infernos' Virgil-esque ability to safely pilot you through the extremes of summer.

The most obvious construction elements designed toward this end are the panels, apparently mesh, on the outer thighs. We say "apparently," because what appears to be a simple mesh is actually a non-transparent, perforated panel with radically increased breathability and a hydrophobic structure that refuses to absorb moisture. It's also been made lighter for 2015, but compression doesn't suffer to considerations of weight, as these panels boast an out-sized fiber weight that gives the Infernos the kind of comfortable compression we expect from racing shorts.

The shorts' front and rear panels maintain this focus on compression, further reducing the fatigue-causing impact of micro-oscillations and road noise. Castelli boosts the compressive element yet again with an additional fabric panel over either thigh. The rib knit construction of these thigh panels adds targeted compression that doesn't hamper breathability.

As for fit, the Inferno is a racing thoroughbred. It's slim, precise, and deliberate — hardly surprising, given that it was developed directly with the Cannondale-Garmin squad. The multi-panel cut of the bib shorts follows a contour in order to mimic and support the movements of cycling without bunching or pinching. In the interest of maintaining breathability, Castelli opts for pure mesh in the straps instead of the Carré material found in its other high-end bibs. The leg bands get the full premium treatment, though, with Castelli's newly updated Giro Air bands. They're single-layer, perfectly flat, compressive without pinching, and wide, making them among our favorite cycling innovations since the derailleur.

Castelli found itself unwilling to part with the Progetto X2 Air Seat Pad, so it returns with only one, minor change: its surface is softer, which means it now presents a more gentle face to your perineum. It retains its bacteriostatic properties, seamless construction, four-way stretch, and ventilating, perforated foam layer. The perforated viscous comfort inserts also enjoy an encore performance, so your sensitive areas will enjoy riding over all manner of terrain.

The Inferno is lightweight enough to protect you from heat, but that also means that it won't protect you from UV rays. Because of this, Castelli recommends using sunscreen underneath the shorts. After an uncomfortable post-ride shower, we agree.

  • Compressive, lightweight, opaque mesh shorts
  • Progetto X2 Air chamois
  • Pure mesh bib straps

Tech Specs

Season:
summer
Chamois:
Progetto X2 Air
Bib:
yes
Leg Gripper:
Giro Air
Claimed Weight:
[size large] 188 g
Recommended Use:
road
Manufacturer Warranty:
30 days

Size chart

Fuji Bicycles

 

Geometry Chart

 

Altamira LTD
 

Seat Tube

(c-t)

Effective Top Tube

(eTT)

Stack

(S)

Reach

(R)

Standover

(SO)

Head Tube

(HT)

Head Tube Angle

(HTo)

Seat Tube Angle

(STo)

Bottom Bracket Drop

(BBD)

Chainstay Length

(CS)

Wheelbase

44 44.0cm 51.5cm

51.7cm

36.3cm 72.1cm

12.0cm

72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm

52.8cm

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

101.0cm

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Here's what others have to say...

35

Run small and don't keep the sun out

  • Familiarity:I returned this product before using it
  • Fit:Runs small

Without actually riding in these, they look good and look like good quality. The chamois feels good and contains decent padding. Unfortunately they run a bit small so I had to return mine. And then I found out that Castelli recommends putting sun lotion underneath them, so I just switched to a different brand -- I do a lot of long rides on the weekend and there was no way I was going to want or remember to put lotion on before putting the bibs on.

Avg. ride time: 4h 18m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.
55

Great fit for me

  • Familiarity:I've put it through the wringer

Tried the Body Paint bibs and the straps and legs were too small - even in XL. The Infernos are great in XL, almost disappear - in a good way (the L's were too tight in the legs and straps too short, which seems to be common to Castelli for me). I am 6'-0" and weigh between 175-180, generally wear a L bib in Pearl Izumi or Garneau brands. So you may need to size up.