ScorpionExo Ravin Men's Leather Sport Motorcycle Jacket (Black, Large) Constructed from a combination of premium, perforated and non-perforated 1.2 to 1.4mm thick top-Grain Monaco leather All critical seams are Exo-Stitch safety seams with heavy bar tacking at high stress areas Perforated panels, as well as adjustable vents on front and rear provide ample ventilation Hard anodized aluminum on shoulders and elbows are exposed yet recessed into the garment for extra protection and durability Sas-Tec CE approved removable SC-1/05 at elbows is infinitely adjustable due to hook and loop fastener(s) hook molded directly into the pad and large loop areas in the armor pockets