With breathable and close-fitting fabric, these thermal Duo Winter Jerseys keep your core warm. The wind resistant clothing prevents the chilly air from seeping in. Water proofing has been added to keep the rider dry while pedaling. The full-length zipper design armors the rider against the numbing cold by closing up to the top. Three back rear pockets allow the rider to organize his storage while the zipped pocket stores the valuables. Reflectors are included on the front, back and side arms for the safe nighttime cycling. Ergonomic design is present for perfect skin fitting. Silicon grippers at the waist hem prevent the riding up of jerseys.