【Feature】Lightweight bump cap is great for full time outdoor workers in the low-risk workplace. Hard hat can fit most adults, easy and comfortable to wear. 【Design Highlight】Unique air holes on both sides of hard hat cap for ventilation, using to you from bumps and scalp lacerations. 【Function】The hard hat is applicable for various industries such as rail transportation, automobile manufacturing, railway transport in aviation. 【Wear】The bump caps for men and women is strong, comfortable to wear, and safety bump cap can be adjusted according to the size of your head. 【Baseball Bump Caps】The hard hat is made of high quality material. The bump cap keeps your head comfortable and safe when working.