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Item # CST006Z
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Manage that moisture.
As with the short-sleeve version, Castelli's Core Mesh Sleeveless Base Layer incorporates an update to the classic fishnet style design. The older design used the holes of what felt like real fishnet to trap air between the skin and the second layer of clothing.
However, with the new fully open mesh design, it still serves to hold the jersey off of the skin, creating a layer of air between your skin and the jersey to help you maintain a constant body temperature. But besides these thermo-regulating properties, the improvements Castelli brings are several. The mesh is made from a polyester hollow core fiber that is soft to the touch, wicks well, and has great stretch. The shape is called "body wrap" because it is designed to wrap or hug the body so that the gaps are only in the mesh, not between the mesh and the body.
- Open-cell mesh (100% polyester)
- Anatomically contoured fit
View more Women's Sleeveless Base Layers
Reviews & Community
REVIEWS
Will S.Employee
Avg. ride time: 8h 25m per week- Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.
Shockingly, it works!
My wife was skeptical that another layer would keep her cool, but when she tried the Castelli Core Mesh Base Layer, she was a convert after the first long ride under the Southern-Utah sun. As promised, it provided excellent air circulation to maximize the power of evaporative cooling.
It did shrink a bit after the first wash, so consider sizing up if you are unsure about size.
Hannah DhonauHeight:5'6"Weight:145lbsAvg. ride time: 1h 58m per week- Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.
Next Level Base Layer
- Familiarity: I've used it several times
- Fit: True to size
- Size Bought: Medium
Castelli continues to amaze me with their A+ apparel. The Core Mesh Base Layer is no exception and has become my go-to on warm riding days.
Unlike some other Castelli items, the sizing here is true--at 5'6" 145lbs, the medium fit well. The sleeveless design makes it easy to layer and the cut at the waist lays well under jerseys and bibs.
Zane DordaiLooks silly, works well
- Familiarity: I've used it several times
- Fit: Runs small
Seems to really mitigate sweat accumulation, especially on mountain bike rides where the average speed is lower and tree cover impinges on the wind's ability to dry you out.