This comfortable and stylish hat features micro-LED lights and a ventilated impact-resistant shell for breathable protection against bumps, scrapes, bruises and other minor head injuries. At less than 5 oz, this incredibly lightweight bump cap delivers optimal comfort without compromising safety. Built-in dual-action LED lights under the brim emit 44 lumens for ultra-bright, hands-free visibility in the dark without flashlights or bulky headlamps. The LED task lights allow for close-up or distance lighting for visibility where you need it most. Run time is up to 11 hours with use of four CR2032 lithium-ion batteries (included). This bump cap tackles two big challenges workers face in the field: weight and heat. The removable bump cap insert is made of a lightweight but durable high-density polyethylene (HDPE). Lining the insert is a removable, washable and anti-microbial EPP foam pad. • Lightest weight bump cap does not compromise protection against bumps, scrapes, bruises and other minor head injuries. • Built-in, ultra-bright LED lights under brim emit 44 lumens for 11 hours of hands-free visibility in the dark (four CR2032 lithium-ion batteries included). • Strategic 360° ventilation on insert, foam pad and hat for maximum airflow between the worker's head and the bump cap. • Impact-resistant, high-density polyethylene shell with foam pad for durable protection. • Removable, washable and anti-microbial foam pad provides additional airflow and helps keep sweat out of eyes. The Skullerz 8965 Lightweight Bump Cap Hat with LED Lighting is a comfortable and stylish hat featuring micro-LED lights and a ventilated impact-resistant shell for breathable protection against bumps, scrapes, bruises and other minor head injuries. At less than 5 oz, this incredibly lightweight bump cap delivers optimal comfort without compromising safety. Built-in dual-action LED lights under the brim emit 44 lumens for ultra-bright, hands-free visibility in the dark without flashlights or bulky headlamps. The LED task lights allow for close-up or distance lighting for visibility where you need it most. Run time is up to 11 hours with use of four CR2032 lithium-ion batteries (included). This bump cap tackles two big challenges workers face in the field: weight and heat. The removable bump cap insert is made of a lightweight but durable high-density polyethylene (HDPE). Lining the insert is a removable, washable and anti-microbial EPP foam pad. Adjusting Method: Hook & Loop Strap; Size Type: One Size Fits Most; Brim Type: Front Brim; Brim Length: Long.