The Pearl Izumi Select Thermal jersey is great worn alone on the chilly days or as the core thermal piece in a layering system. Pearl's Select Thermal Fleece fabric combines advanced moisture technology with thermal regulation to keep you warm and dry. The brushed micro-fleece inner face is soft enough to be worn next to skin or to create a microclimate when paired with a base layer. A full-length zipper puts easy venting at your fingertips, while the contoured, shaped sleeve hem adds warmth. Other details include three back pockets with hidden sweat-proof pocket and reflectivity elements. Recommended for temperatures between 45°F and 55°F.