Castelli Pro Mesh M Short Sleeve Base Layer - Black CO2 Inflators The Wahoo TRACKR Heart Rate

The Wahoo TRACKR Heart Rate Monitor Chest Strap is a compact

and 15mm of adjustment to dial in your fit

Thirteen vents move air efficiently across the shell during hard efforts

upgrading to the Max 6902 is one of the simplest

integrated command center

Castelli Pro Mesh M Short Sleeve Base Layer - Black CO2 Inflators The Wahoo TRACKR Heart RateWhat 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