Fit & Design: Classic fit; fits true to size High neck collar provides added protection to the back of your neck from the sun Underarm mesh inserts for added ventilation Custom "Sun" zipper puller Slight cap over the top of the shoulder for a bit extra sun protection Technology: UPF 50 sun protection Designed with SolTek LUX(R), a stretch Jacquard pique with a three-dimensional pattern on the inner side which lifts the shirt off the skin for quicker drying, breathability and cooling