(each)Soft material with fleece trim for extra comfortDistributes strain across the chest to avoid pulling on the neckProvides a cooling effect when wetNeck size: 27–28cm; chest size: 34–36cmNeck size: 31–32.5cm; chest size: 40–42cmNeck size: 38–40.5cm; chest size: 46–49cmNeck size: 36cm; chest size: 36–54.4cmNeck size: 41.3cm; chest size: 54.6–85.2cmNeck size: 47.5cm; chest size: 70–106.5cm