This jacket is designed for kitesurfing. the harness goes nuder the jacket and has a reinforced hole for the hook to go through. :: Men > Wetsuits. Perfect for winter days at the beachMen's wetsuit jacketElasticated waistmaterial: PU laminated NylonExterior arm pocketDesigned for the harness to go under the jacketKiteboarding specific jacketWater and wind resistant Size: Medium,Small.