Tytex SafeHip® AirX™ Hip Protector Small, Unisex, Discreet, 30" to 38" Hip Circumference SafeHip® AirX™ is a 100% textile hip protector with the protector shield based on AirX™ spacer fabric technology, which is a breathable, skin friendly and soft textile material. The AirX™ technology is your guarantee for optimal compliance.