Marucci Pure Fastpitch Softball Bat Designed with and tested by some of the best select softball programs, multiwall barrel technology and a balanced weight distribution to deliver effortless power. Ring-free multiwall barrel technology - Maximum sweet spot and trampoline Patented two piece construction - Reduced vibration and improved feel Power-balanced weight distribution - Improved swing speed and power 100% composite construction - All-season durability and maximum trampoline