【Impact-resistant Protective Bump Cap Insert Shell】GREEN DEVIL Matrix Lite Series bump cap insert is made of a lightweight, high-density ABS material ，hard to fade , tough and reliable, which can be applied for long time use. Exquisite workmanship, the smooth surface will not hurt your hair or head.Effective protection against bumps, scrapes, bruises and other head injuries. Great for for a variety of outdoor activities or low-risk workplaces.

【Ultra lightweight and Breathable】This bump cap insert is designed to offer maximum ventilation for continuous airflow and superior breathability—all without compromising protection.Extra interior foam pad reduces impact but does not absorb odors, this baseball hat insert is designed for all-day comfortable wear .

【Convert your favorite baseball caps into lightweight, comfortable head protection】The flexible sides&edges of the insert shell allow it to good fit in most baseball cap or truck cap.One size fit most,satisfy the different head shapes needs of ball cap owners. Easy to use, can be easily and conveniently installed into a variety of hats, caps and headgears.

【Safety Application】This bump cap insert ideal for mechanics,automobile assembly,maintenance,industrial manufacturing,urban rail transit, workshop processing, outdoor sports, airline baggage handlers, as well as workers in warehouses,factories, in-home services and other industries that do not require safety hard hat protection but still need protection against worker-generated injuries.

【Tested & Approved】:GREEN DEVIL Matrix Lite Series bump cap inserts meet EN 812:2012 standard, the world’s only standard for bump caps.If you have any questions, welcome to reach us，we will make things right, FAST!Customer service will not be beat！