As elegant as the Italian wine that lends this garment its name, the Castelli Prosecco Long Sleeve Base Layer is just what you need to bolster your cool-weather wardrobe. Unlike most thermal layers, Castelli built the Prosecco with a focus on moisture management above all else. That means that it'll keep your core warm and comfortable without leaving you drenched in sweat.
On the chest, back and shoulders is warmer, medium weight, Prosecco 1st Layer Fabric for insulation where it's most needed. In order to keep the weight of the garment down and breathability high, lighter weight Prosecco Micro fabric is used on the forearms, sides and underarms for ventilation, and at the waist for minimal bulk where the base layer tucks into your bibs.
For ultra-efficient moisture management in cool to cold weather, reach for the Castelli Prosecco base layer.