New STX U 550 Unstrung Lacrosse Head with All Climate Performance Material White barely used HIGH QUALITY MATERIALS AND CONSTRUCTION: 340471 33 23 Used HIGH QUALITY MATERIALS AND CONSTRUCTION: 91% Polyester 9% Spandex This means that you can use your New Anderson TechZilla to its full power freely Featuring STX's signature open sidewall in rear that flexes on checks and ground balls C Channel technology provides extra strength for checking and ground balls Dual sidewall braces provide stability on shots and ground balls Bottom rail is designed specifically for high pocket placement for additional power when shooting Meets NCAA and NFHS rules The STX Stallion U 550 allows you to run without reins The Stallion U 550 features STX's C Channel technology along the bottom rail to maintain strength without adding weight