Whether we're using the PEARL iZUMi Summit Hooded Thermal Jersey as a winter mid-layer or a stand-alone layer in fall or spring, this technical fleece jacket will keep us as warm exactly as we need. This versatile thermal hooded fleece is constructed with 60g high-stretch technical grid Transfer Fleece that features a mixture of recycled materials and the Pedal to Zero initiative where biking 24 miles offsets the garment's climate impact.