Skullerz 8952 Hard Shell Bump Cap is crafted with a durable polyethylene shell and is engineered to guard against bumps, scrapes, bruises and other minor head injuries. The material not only resists cracking and breaking but also simplifies cleaning for added convenience. A ventilated suspension system enhances overall breathability and air circulation, making it an ideal choice for all-day use. The suspension is flexible in design and incorporates a removable, replaceable 4mm thick f