Outer shell soft cowhide Lining breathable mesh inner lining Fit/features 2 inner pockets front air-vent zipper perforated leather panels special stretch material at inner arms, crotch and calves stretch leather panels at knees, back & shoulders cuff in stretch material aerodynamic racing hump knee sliders Protection EN 1621-1 approved soft protectors at shoulders, elbows & knees additional external hard shell shoulder & elbow protectors EN 1621-2 approved SAS-TEC® back protector Velcro for optional chest protector rib protector pocket for optional certified coccyx protector double leather reinforcement on seat double-stitched