Tip: Ohmotor motorcycle armor protector runs 2 sizes smaller than US size generally. For example, 2XL is same as US-L. Or you can take Customer Questions & Answers or Reference standard as reference to choose your size.Feature: 1. This armor is reinforced, delicate but durable, ergonomic design. Because it's made of high elastic PVC, Lycra knit fabric and high density EVA, it can protect our back, spine and wrist to the highest degree. It can be applied by motorcycle, cross-country bike and other outdoor sports. 2.If you usually ride a Motorcycle, you should choose this kind of Protective Armor Protective Gear to effectively protect yourself, when you in the riding. Moveable liner allows for easy cleaning, multiple large vents of plastic shells and foam are for maximum ventilation 3. Folding rear restraint and waist armor, with high quality material. Thickening the pads on the sides of the waist protection, better protect the entire body. 4.The chest protector is largely covered with a compression pad and breathable mesh, which can protect our shoulders, elbows, chest, back and other important parts of the body. 5. The high quality plastic buttons, the elastic nylon belt and the adjustable velcro on the waist protection belt can help adjust a suitable strap length.Specification: Gender: Unisex Material: PVC, Lycra, EVAPackage includes: 1 x Motorcycle Armor JacketReference standard: XL - Chest:39.37"-41.34"(100-105 cm) / Waist: 33.07"-34.65"(84-88 cm) / Weight: 154.32-176.36 lb(70-80KG) / Height:5'9"-5'11"(175-180 cm?. XXL - Chest: 41.33"-43.3"(105-110 cm) / Waist: 34.64"-37"(88-94 cm) / Weight: 176.36-198.41 lb(80-90KG) / Height: 5'11-6'3"(180-190 cm). XXXL - Chest: 43.3"-47.24"(110-120 cm) / Waist: 37"-39.37"(94-100) cm / Weight:198.41-220 lb( 90-100KG) / Height:6'3"-6'7"(190-200 cm).