NecksGen REV2 LiteThe REV 2 LITE is the ultimate head and neck restraint. Weighing in at only 1. 2 lbs. 550 grams, the REV2 LITE carries the same level of protection and certifications as the NecksGen Original and REV devices. The REV2 LITE has all the same features as the REV, but adds a clever new adjustable tether system, rubber grip friction pads to help you feel locked in your seat better, higher belt guides to keep everything locked in place and for multiple