The Swimbait Underground x ANETIK Tech Hoodie is the ultimate Hot Weather tool allowing the perfect balance of breathability and protection from the elements. Ultra breathable PrimoLite mesh throughout the body and hood provides full UPF30+ protection from the sun while allowing you to stay unbelievably cool in even the harshest heat. SWBT UNDG Initials Hit Center Chest. Circle SU Elbow to Wrist. Hero or Zero Back Neck Hit.