Outer shell soft cowhide Lining breathable mesh inner lining (100% polyester) Fit/features 3 inner pockets air-vent zippers zips also adjust ventilation special stretch material at inner arms, crotch and calves stretch leather panels at knees & back cuff in stretch material velcro patches for optional knee-sliders Protection EN 1621-1 CE-certified soft protectors at shoulders & elbows EN 1621-1 CE-certified height-adjustable soft protectors at knees optional EN 1621-2 back protector optional hip protectors pocket for optional Held cloverleaf SAS-TEC® CE-proved coccyx protector double leather reinforcement on seat double-stitched metal connecting zipper