EFFECTIVE IMPACT PROTECTION: High-impact PE and EVA plastic protectors provide extra protection on the chest, back, shoulders, elbows and forearms, with hard padding in vulnerable areas. Warm reminder: For your safety, we do not recommend racing on highways.COMFORTABLE AND LIGHTWEIGHT TO WEAR: The inner lining is made of stretchy, durable lightweight fabric that helps your entire body decongest and keep you cool, keeping you ahead of the game.PERFECT FIT: Elastic crew neck is the easiest to wear and has a very nice stand collar pattern, adjustable velcro waistband protects your kidneys and belly, elastic cuffs for quick cool