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Castelli
Pro Issue Short-Sleeve Baselayer - Men's

3.6666666666666665 out of 5 stars
3 Reviews
Current price: $35.99 Original price: $59.99
40% off
Color:White

Size:

Size Chart

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Pro Issue Short-Sleeve Baselayer

The days that you feel a slight chill when you step outside are often the toughest to dress for. The sunny skies suggest you'll quickly warm up, but you don't want to spend the first several miles of your ride fighting off a chill. For rides like this, grab Castelli's Pro Issue Base Layer. This lightweight polyester crew-neck top fits under your jersey and helps facilitate moisture transfer from your skin to the surface to regulate your body temperature. It won't be as insulating as Castelli's Flanders base layers, and it won't cool you off as much as Core Mesh, but it will do a little of each to keep you comfortable on the rides that are difficult to categorize.


As far as construction, Castelli eliminated more seaming in this latest version of the Pro Issue to enhance comfort, and it widened the collar to give it a more streamlined fit under aero jerseys. The flat waist hem helps prevent chafing or irritation by laying smoothly against the skin in shorts, and according to Castelli, the base layer functions best in temperatures ranging from 59 to 77 degrees Fahrenheit.


Details

  • Late-spring, early-fall professional base layer
  • Specifically designed mesh fabric moves moisture away from your skin
  • Upgraded seams at shoulders provide a more comfortable fit
  • Wide collar goes well with current generation aero jerseys
  • Flattering waist hem lays flat under bib shorts
  • Castelli's roots in performance cycling textiles date back to 1910
  • Item #CST008Y
Material
polyester 3D mesh
Insulation Weight
lightweight
Fit
form-fitting
Style
crew
Claimed Weight
[large] 1.7oz
Manufacturer Warranty
1 year

Overall Rating

3.5 based on 2 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 1 reviews

Fits Small

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

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5 out of 5 stars

November 16, 2023

Perfect for when there's a bit of chill

Familiarity:
I've used it several times
Size Bought:
large
Height:
5' 6"
Weight:
156

These are great when there is a bit of a chill in the air and you know you are going to warm up fairly quickly but don't want to overdo. I am 70 years old and ride in sub-zero temps; I don't use this then unless for an under-under layer; I use these when it is not bad out but I don't want the old man to take a chill. Perfect for that and excellent quality; durable and I let them dry after the ride so no need to over wash. I'm ordering another one.

David S
2 out of 5 stars

June 29, 2023

Run Small - For Hot Summer

Familiarity:
I returned this product before using it

I am 5'10" and 175 lbs, and usually wear a large with Castelli clothing. These undershirts run small; I ordered a large and had to return them as they were just too tight. Also, while they appear to be very nice undershirts, they are very thin and appear to be meant to worn on the warmest riding days. I was looking for something with a bit more fabric. The description does not seem accurate to me.

Clifford S