Shell material: ABS Meets CE EN397:1995 and ANSI Z89.1-2003 Many custom-made patters and designs are available Designed to withstand temperature variances, humidity and exposure to UV light for long-lasting wear Pivoting adjustment provides extra comfort and secure grip 6-point sewn nylon harness 6-point ratchet, buckle, pinlock suspension options Extra large replaceable sweatband cover 180 degrees Standard pack: 20pcs This is our newly researched safety helmet with rolled brim and slots, which is made out of ABS material With "H" ribs on the top of shell and slots on the both sides for reinforcing the impact resistance and lateral rigidity The safety helmets are characterized by novel design, comfortable wearing and elegant appearance