Revolutions need revolutionary tech. So we tore our flagship RTX wedge down to its core and rebuilt it from the inside out. Introducing RTX ZipCore. ZipCore Technology It shifts the CG while raising MOI, adding spin, enhancing control, and boosting consistency on all your shots. UltiZip Grooves These grooves are sharper, deeper, and narrower. They bite harder, channel more debris, and they’re closer together for more groove contact per shot. Heat Treatment A blast of heat can do wonders for a wedge’s durability. Ultimately, it means you’ll love your RTX ZipCore, round after round.