3M 7100175577, a top-quality hard hat designed for optimal head protection in various industries. With a 6 Point Ratchet Suspension Type, it offers a secure and comfortable fit. The ABS Shell Material ensures durability, and the Type I classification guarantees exceptional impact resistance. While not vented, this hard hat is perfect for environments where ventilation is not required. Trust the reputable brand, 3M, to provide you with reliable head protection, making your safety a top priority.