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The HANS Model 20 is designed for most upright seats in sedans, sports cars, stock cars, and midgets. Some very barrel-chested drivers in these cars may find the Model 30 more comfortable. The Professional series is constructed of high-modulous carbon fiber for light weight (approximately 1 pound lighter than the Sport series) and includes the Vision Advantage Plus sliding tethers, black contour padding, two helmet anchor posts, and full installation instructions.
To determine the correct size, measure your neck and follow the chart below.
|Neck Size* || Up to 14" ||12" to 15.5"||14" to 17"||16" to 20"|
|HANS Size ||Super Small ||Small||Medium||Large|
* Drivers with highly developed neck and trapezuis muscles may require one size larger than their neck size alone would indicate.