ULTIMATE COMFORT AND PROTECTION - THE HEAD RAVE RACQUETBALL EYEWEAR. The Head Rave Racquetball Eyewear feature a stylish lightweight impact-resistant frame, distortion-free polycarbonate lenses, and Anti-scratch and anti-fog treated lenses to keep you performing at your best. Don't worry about it slipping around, because the soft and comfortable non-slip nose pieces keep things in place when things get competitive.