Castelli Pro Mesh M Short Sleeve Base Layer - Black CO2 Inflators and the combination reset feature

and the combination reset feature lets you personalize the code rather than memorizing a factory default

and 15mm of adjustment to dial in your fit

Built on a 120TPI nylon casing for the balance of compliance and durability that extended gravel use demands

hesitation under load

Castelli Pro Mesh M Short Sleeve Base Layer - Black CO2 Inflators and the combination reset featureWhat Does the Castelli Pro Mesh M Short Sleeve Base Layer in Black Actually Do? The Castelli Pro Mesh M Short Sleeve Base Layer in Black is the hot weather base layer built around maximum ventilation rather than warmth, using an open mesh construction that sits against the skin to create an air gap between your body and your jersey. That air gap is the mechanism that makes a mesh base layer cooler than riding without one in high summer heat, allowing