The BOLLE TRACKDOWN MIPS mountain bike helmet in Grey Neon Pink matte Medium 55-59cm is a stylish and functional helmet designed for mountain biking. Made with MIPS® technology, ABS plastic, and the Avid™ EPS System, it offers superior protection for the head. The helmet features a 360-degree retention system, adjustable nylon strap, and adjustable fitting for a comfortable and secure fit. With extra ventilation vents, a removable visor, and a MIPS Brain Protection System, this helmet provides comprehensive head protection for unisex adult riders. At 370 grams, it is lightweight yet durable, making it an ideal choice for outdoor adventures on the mountain.