Tusa Sport UP-2521B Powerview Adult Dry Travel SetThe Powerview dry travel set includes a high quality 2 window mask with enhanced vision, EZ adjust buckle technology, ClearVu tempered glass lens and pure silicone skirt and strap. The dry snorkel features TUSA Hyperdry Elite dry top technology (pat p) that stops water from entering into the snorkel, a drain chamber and purge valve for easy clearing and silicone mouthpiece. The fins have an advanced multi flex long blade design, thrust channel