Class II, Mesh Breakaway Vest, 100% polyester mesh material , 2" Horizontal Silver Reflective Stripe, 5 Breakaway Points, Velcro Front Closure, One Pocket. Meets ANSI/ISEA 107-2004. Aviation applications include airport baggage handlers, ground crews, and accident site investigators. Class II Information For occupational activities where risk levels exceed those of a Class I, such as where greater visibility is desired during inclement weather conditions, and complex backgrounds are present; where employees are performing tasks which divert attention from approaching traffic; and the motor vehicle speeds exceed 25 mph; or work activities take place in closer proximity to vehicle traffic.