Protection Connecting zip pocket for optional Held cloverleaf SAS-TEC® proved coccyx protector double-stitched metal connecting zipper double leather reinforcement on seat approved hip protectors EN 1621-1 approved height-adjustable SAS-TEC® 3D knee protectors additional hard shell knee protection Fit/features stretch leather at back & knees knee sliders H.P.A System (Held protector adjustment) at knee air-vent zippers special ARAMID stretch & fabric panels in crotch & calves anti-slip pad in knee area for extra grip 1 external pocket