"HWK is a newly established brand by motorcyclists for motorcyclists. We live in a country with many weather extremes where you can encounter very high temperatures during summer. This is where the team from HWK grew up so they understand the features and functions required for a summer motorcycle mesh jacket for men.Outer Shell: 3D Macro and Micro Mesh Panels.Polyester 600D Cordura Fabric on impact areas.100% Breathable Mesh Motorcycle Jacket.This is a summer riding jacket for men so is not waterproof.CE armored shoulders, elbows with high density foam back protector mens motorcycle jacket.Double Safety stitching.Full Air Ventilation system front and back touring jacket men.Action stretch in shoulders and elbows of the motorcycle jacket men.Soft collar with Velcro closure dirt bike jacket.Arm and waist adjusters for a tailored fit of the Motorcycle Riding Jacket.2 external pockets plus inner mobile pocket and storage pocket biker jacket men.Fully Reflective for night time visibility cruiser jacket men.Top Quality Zippers for Air motorcycle jacket men.Waist connection zip for motorcycle pants.New Improved American Cut Chest Measurement Size Guide(inches):Small 38''Medium 40'' Large 42''X-Large 44''XX-Large 46''XXXL 48'' XXXXL 50''XXXXXL 52''*New Improved Sizing, You DO NOT need to order bigger sizes now. Ideal for both Men and Women. The Sizing of the mesh motorcycle jacket has been improved after taking into account the previous customer recommendations.MAXIMUM QUALITY at a MINIMUM PRICE: This a bargain, we bet that you would not be able to find a Mesh Motorcycle Jacket at this price in the market. This is an air motorcycle jackets so IS NOT WATERPROOF or THERMAL. #HWK