Pinlock Adjustment Bump Cap Plastic 4-Point Suspension, HDPE, Blue, Bump Cap Type: Bump Cap Only , Type: Bump Cap , Material: HDPE , Adjustment: Pinlock , Adjustment Type: Pinlock , Suspension: 4-Point , Color: Blue , Vented: No , Slotted: No , Suspension Type: 4-Point , Suspension Material: Plastic , Brim Style: Cap . Jackson Safety 14813 Bump Caps Blue. Features: Pinlock adjustment, 4-point plastic suspension for secure fit, HDPE shell, snap closure, one size fits most. Meets ANSI specification per provided listing. UPC: 626053603151. Package Weight: 1 Pounds. Item Dimensions (LxWxH): 3.22 x 12 x 8.8 inches.