Aero Stripper P1 Lower Body Protector Aero thigh guard design is an integrated system which protects both the upper and lower thighs, around the inner groin, the hip bone as well as part of the buttocks. It's why aero has a lower body protector rather than just thigh guards. Strippers use the best materials 3D moulded high impact plastics, multiple closed-cell foam combinations and user friendly, antibacterial polyester mesh.