PRO 1 SFI 3.3 rated helmet supports feature a extra long hook and loop areas that provide a universal/adjustable fit. The high quality support has high density foam and is covered in a nomex sleeve. Each helmet support can be trimmed or shaved as needed for the perfect fit and to maximize its usefulness.

Protects driver and reduces fatigue.

Small (jr kids) up to 12 inch circumference when measured around neck.

Medium from 12-15 inch circumferance when measured around neck.

Large (most adults) is for 15 and up inch circumferance when measured around neck.