The Hollis Sidemount Regulator Package is a complete technical diving setup built for streamlined sidemount performance. Featuring over-balanced environmentally sealed first stages, smooth-breathing second stages, braided hoses, dual SPGs, and a regulator necklace, this package delivers reliable gas delivery, clean hose routing, and dependable comfort for cave, wreck, and advanced sidemount diving. Nitrox compatible up to 40% right out of the box, it’s an ideal ready-to-dive solution for serious sidemount divers.