Highly ventilated mesh

Reduced seaming at shoulders for extra comfort

The minimum bulk

Gabba-style dropped tail with reflective panel"

Compressed

castelli pro issue 2 sleeveless w Activity_Biking Highly ventilated meshMade from a 3D mesh fabric, the Castelli Women's Pro Issue 2 Sleeveless Base Layer makes cycling in warmer weather more comfortable. You could be forgiven for thinking this is a standard string vest, but the Women's Pro Issue 2 Sleeveless Base Layer goes far beyond that. It makes use of an advanced 3D mesh to enhance moisture control and deliver sweat free cycling comfort. The 3D structure works brilliantly thanks to an increased surface area with