Stand 21 Featherlite Head & Neck Restraint The Stand 21 Featherlite is a breakthrough technological achievement in the FHR family, offering the absolute highest level of safety while weighing an incredible 310g (10.9 oz.) excluding padding. The use of very high strength carbon fiber combined with a more ergonomic design of the legs makes this FHR the safest, lightest, most comfortable head-and-neck safety device created to date. Please be advised the HANS posts are required but Sold separately, they can be purchased here - Hans Post Anchor A revolutionary new integrated strap passage allows a flat curvature along the rear of the Stand 21 Featherlite, alleviating uncomfortable interference between your helmet, the FHR device, and your seat. The Stand21 Featherlite is hugely popular among professionals as well as the most demanding amateur drivers. Technical Details: FIA 8858-2010 and SFI 38.1 certified Weight: 310 grams (11 oz.) Unprecedented curvature beam alleviating discomfort between the helmet, FHR, and seat/headrest Revolutionary integral strap passage Available in Medium and Large Available for 20° incline angles Supplied with black padding, sliding tether, and protective bag New, more ergonomic leg design Three Bold New Colors Now Available: The Stand 21 Featherlite FHR is now available with three fantastic new colored lacquer finishes over the carbon fiber. In addition to traditional gloss clear finish, there are new gloss red, gloss blue, and gloss green finishes! The only HNR to offer colors, this further sets the Stand21 Featherlite apart from the ordinary.