The STX Stallion U 550 Lacrosse Head has an updated throat design. The new design is 5% lighter than the NFHS model, while maintaining the same great level of performance. The C-Channel™ technology provides extra strength for checking and ground balls. Featuring STX's signature open sidewall in rear that flexes on checks and ground balls preserving durability. Dual sidewall braces provide stability on shots and ground balls. Bottom Rail designed specifically for high pocket placement for additional power when shooting. Featuring the STX Forward Cant™ while meeting the NCAA and NHFS rules.