Product Height (in): 5 in In addition to being compatible with the bump caps, the hat features reflective brim piping for added visibility, a one size fits all adjustable Velcro closure, and a mesh back half for breathability. Worn alone, this customizable baseball cap is a stylish option for everyday wear Product Width (in): 7 in, Brand: Branded Bmw Mützen Caps Buy Ball Cap Hard Hat Insert Hot Sale Universal Safety Bump Cap Insert Lightweig Safety Cap The Skullerz®8945 Universal Bump Cap Insert is a lightweight, impact-resistant shell that easily tucks into any baseball cap, hat or other headwear to protect against bumps, scrapes, bruises and other minor head injuries Protective Equipment Features: No Additional Features, Material: Polyethylene Country/Region of Manufacture: United States, Hat Color: Gray, Product Depth (in): 8., 5 in, UPC: Does Not Apply Size: One Size Fits All, Product Weight (lb): 0., 2 lb