The STX Alliance Z70 OCS defensive lacrosse shaft was built for the intermediate player that wants great value, durability and lightweight performance. Made out of Z70 alloy, for increased performance, our Pro's like the lightweight feel of this lacrosse shaft. The patented OCS (Optimized Cross Section) profile enhances the durability and feel of this lacrosse shaft. It has a new Grit-Grip finish that performs well in all type of conditions.