Castelli Core Mesh 3 Short Sleeve Base Layer (Black) (L/XL)

Castelli Core Mesh 3 Short Sleeve Base Layer (Black) (L/XL)
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The Castelli Core Mesh 3 Short Sleeve Base Layer is for the warmest conditions. The mesh is open to create a space on the skin for sweat to evaporate. The 10% elastane content makes it very stretchy and helps alleviate moisture retention so that you're always getting evaporative cooling.


  • Magic Mesh – 90% polyester, 10% Elastane wicking fabric
  • Minimalist lightweight construction 
  • Reduced seams for maximum comfort
  • Temperature range: 68 - 86°F (20 - 30°C)

Gender: Men
Fabric: Magic Mesh
Sleeve Length: Short Sleeve
Color: Black

This product was added to our catalog on February 18, 2022

Castelli Sizing: Many Castelli products are designed with a European race-fit. It is not uncommon to size up one size for a standard, race fit or two sizes for a more relaxed fit.

Measurement Guide:

  1. Chest: Measure the circumference around the fullest part of chest, under arms
  2. Waist: Measure circumference around natural waistline keeping the tape a bit loose

Circumference (in)
Circumference (in)

Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired. Castelli instructs that for best results measurements be taken over underwear. Castelli recommends sizing up if measurements fall between sizes for a better fit.