M size 2 knee pads(suitable for knee circumference 31-35cm) L size 2 knee pads(suitable for knee circumference 36-40cm) XL size 2 knee pads(suitable for knee circumference 41-46
Color classification:
904 black four-bullet pressurized section 904 black and red four-bullet pressurized section 904 skin color four-bullet pressurized section 940 four-sided pressurized spring support section 980 black shock absorption silicone large silicone 964