Combat 2015 Virus Plague XR17 USSSA Slowpitch Bat Seamless Construction - Refers to thousands of continuous strands of fiber which run through the length of the bat from knob to end cap; there are no cuts, slices or "weak spots" Precision Molding Technology - Uses computer-controlled tooling to define both outer and inner barrel diameters with precision control and accuracy Approved for USSSA, NSA, ISA, ISF. Fully Loaded. The original PLAGUE returns to play!