Long Sleeve Regulator JerseyPair with Evaporator base layer for riding in moderate to cold temperaturesFour-way stretch fabric for ultimate comfort and range of movementCrew neck and simple slim sleeve-hem design for comfortFlat-lock stitched seams for added seam strength and comfortMid-weight, highly breathable polyester/spandexQuick-drying and moisture-wicking fabric wicks moisture away from the skin to keep you dry and comfortable