TROY LEE DESIGNS SE4 POLYACRYLITE HELMET W/MIPS - WARPED GLO RED DETAILS Weighing in at 1500 grams, our SE4 Polyacrylite Helmet comes with MIPS, incorporating brain rotational protection. This helmet comes with 16 intake ports to channel cool air around and over a rider's head SPECIFICATIONS MIPS brain protection system EPP (Expanded PolyPropylene) chin bar Three shell sizes to more accurately fit a variety of head sizes and rider ages Anatomical 3D contoured cheek pads with emergency release system for EMS responders Plastic visor screws and brass inserts Stainless steel D-rings Comes with TLD helmet drawstring sock 109327012 - SM 109327013 (M) 109327014 - LG 109327015 - XL 109327016 (2XL)